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1,009,025

1,009,025 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.).

1,009,025 (one million nine thousand twenty-five) is an odd 7-digit number. It is a composite number with 6 divisors, and factors as 5² × 40,361. Written other ways, in hexadecimal, 0xF6581.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
5,209,001
Recamán's sequence
a(347,401) = 1,009,025
Square (n²)
1,018,131,450,625
Cube (n³)
1,027,320,086,966,890,625
Divisor count
6
σ(n) — sum of divisors
1,251,222
φ(n) — Euler's totient
807,200
Sum of prime factors
40,371

Primality

Prime factorization: 5 2 × 40361

Nearest primes: 1,009,007 (−18) · 1,009,037 (+12)

Divisors & multiples

All divisors (6)
1 · 5 · 25 · 40361 · 201805 · 1009025
Aliquot sum (sum of proper divisors): 242,197
Factor pairs (a × b = 1,009,025)
1 × 1009025
5 × 201805
25 × 40361
First multiples
1,009,025 · 2,018,050 (double) · 3,027,075 · 4,036,100 · 5,045,125 · 6,054,150 · 7,063,175 · 8,072,200 · 9,081,225 · 10,090,250

Sums & aliquot sequence

As a sum of two squares: 95² + 1,000² = 524² + 857² = 676² + 743²
As consecutive integers: 504,512 + 504,513 201,803 + 201,804 + 201,805 + 201,806 + 201,807 100,898 + 100,899 + … + 100,907 40,349 + 40,350 + … + 40,373
Aliquot sequence: 1,009,025 242,197 1 0 — terminates at zero

Continued fraction of √n

√1,009,025 = [1004; (1, 1, 105, 4, 4, 1, 1, 5, 80, 5, 1, 1, 4, 4, 105, 1, 1, 2008)]

Period length 18 — the block in parentheses repeats forever.

Representations

In words
one million nine thousand twenty-five
Ordinal
1009025th
Binary
11110110010110000001
Octal
3662601
Hexadecimal
0xF6581
Base64
D2WB
One's complement
4,293,958,270 (32-bit)
Scientific notation
1.009025 × 10⁶
As a duration
1,009,025 s = 11 days, 16 hours, 17 minutes, 5 seconds
In other bases
ternary (3) 1220021010022
quaternary (4) 3312112001
quinary (5) 224242100
senary (6) 33343225
septenary (7) 11401523
nonary (9) 1807108
undecimal (11) 62a106
duodecimal (12) 407b15
tridecimal (13) 294374
tetradecimal (14) 1c3a13
pentadecimal (15) 14de85

As an angle

1,009,025° = 2,802 × 360° + 305°
305° ≈ 5.323 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬九千零二十五
Chinese (financial)
壹佰萬玖仟零貳拾伍
In other modern scripts
Eastern Arabic ١٠٠٩٠٢٥ Devanagari १००९०२५ Bengali ১০০৯০২৫ Tamil ௧௦௦௯௦௨௫ Thai ๑๐๐๙๐๒๕ Tibetan ༡༠༠༩༠༢༥ Khmer ១០០៩០២៥ Lao ໑໐໐໙໐໒໕ Burmese ၁၀၀၉၀၂၅

Also seen as

Hex color
#0F6581
RGB(15, 101, 129)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.101.129.

Address
0.15.101.129
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.101.129

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

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 1,009,025 and was likely granted around 1911.

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

Related reading