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1,022,425

1,022,425 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,022,425 (one million twenty-two thousand four hundred twenty-five) is an odd 7-digit number. It is a composite number with 6 divisors, and factors as 5² × 40,897. Written other ways, in hexadecimal, 0xF99D9.

Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
5,242,201
Recamán's sequence
a(371,477) = 1,022,425
Square (n²)
1,045,352,880,625
Cube (n³)
1,068,794,918,973,015,625
Divisor count
6
σ(n) — sum of divisors
1,267,838
φ(n) — Euler's totient
817,920
Sum of prime factors
40,907

Primality

Prime factorization: 5 2 × 40897

Nearest primes: 1,022,389 (−36) · 1,022,429 (+4)

Divisors & multiples

All divisors (6)
1 · 5 · 25 · 40897 · 204485 · 1022425
Aliquot sum (sum of proper divisors): 245,413
Factor pairs (a × b = 1,022,425)
1 × 1022425
5 × 204485
25 × 40897
First multiples
1,022,425 · 2,044,850 (double) · 3,067,275 · 4,089,700 · 5,112,125 · 6,134,550 · 7,156,975 · 8,179,400 · 9,201,825 · 10,224,250

Sums & aliquot sequence

As a sum of two squares: 180² + 995² = 453² + 904² = 688² + 741²
As consecutive integers: 511,212 + 511,213 204,483 + 204,484 + 204,485 + 204,486 + 204,487 102,238 + 102,239 + … + 102,247 40,885 + 40,886 + … + 40,909
Aliquot sequence: 1,022,425 245,413 35,067 11,693 1,075 289 18 21 11 1 0 — terminates at zero

Continued fraction of √n

√1,022,425 = [1011; (6, 1, 1, 1, 6, 1, 4, 3, 28, 5, 1, 5, 2, 1, 1, 2, 1, 3, 2, 13, 1, 9, 5, 1, …)]

Representations

In words
one million twenty-two thousand four hundred twenty-five
Ordinal
1022425th
Binary
11111001100111011001
Octal
3714731
Hexadecimal
0xF99D9
Base64
D5nZ
One's complement
4,293,944,870 (32-bit)
Scientific notation
1.022425 × 10⁶
As a duration
1,022,425 s = 11 days, 20 hours, 25 seconds
In other bases
ternary (3) 1220221111121
quaternary (4) 3321213121
quinary (5) 230204200
senary (6) 33525241
septenary (7) 11455555
nonary (9) 1827447
undecimal (11) 639188
duodecimal (12) 413821
tridecimal (13) 29a4b1
tetradecimal (14) 1c8865
pentadecimal (15) 152e1a

As an angle

1,022,425° = 2,840 × 360° + 25°
25° ≈ 0.436 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 · 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百零二萬二千四百二十五
Chinese (financial)
壹佰零貳萬貳仟肆佰貳拾伍
In other modern scripts
Eastern Arabic ١٠٢٢٤٢٥ Devanagari १०२२४२५ Bengali ১০২২৪২৫ Tamil ௧௦௨௨௪௨௫ Thai ๑๐๒๒๔๒๕ Tibetan ༡༠༢༢༤༢༥ Khmer ១០២២៤២៥ Lao ໑໐໒໒໔໒໕ Burmese ၁၀၂၂၄၂၅

Also seen as

Hex color
#0F99D9
RGB(15, 153, 217)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.153.217.

Address
0.15.153.217
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.153.217

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 2, 2425 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2425-02-01 (DMMYYYY (Euro, single-digit day))
  • 2425-10-02 (MMDYYYY (US, single-digit day))
  • 2425-02-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,022,425 and was likely granted around 1912.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

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