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490,021

490,021 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.).

490,021 (four hundred ninety thousand twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 7 × 70,003. Written other ways, in hexadecimal, 0x77A25.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
19 bits
Reversed
120,094
Square (n²)
240,120,580,441
Cube (n³)
117,664,126,948,279,261
Divisor count
4
σ(n) — sum of divisors
560,032
φ(n) — Euler's totient
420,012
Sum of prime factors
70,010

Primality

Prime factorization: 7 × 70003

Nearest primes: 490,019 (−2) · 490,031 (+10)

Divisors & multiples

All divisors (4)
1 · 7 · 70003 · 490021
Aliquot sum (sum of proper divisors): 70,011
Factor pairs (a × b = 490,021)
1 × 490021
7 × 70003
First multiples
490,021 · 980,042 (double) · 1,470,063 · 1,960,084 · 2,450,105 · 2,940,126 · 3,430,147 · 3,920,168 · 4,410,189 · 4,900,210

Sums & aliquot sequence

As consecutive integers: 245,010 + 245,011 70,000 + 70,001 + … + 70,006 34,995 + 34,996 + … + 35,008
Aliquot sequence: 490,021 70,011 33,749 1 0 — terminates at zero

Continued fraction of √n

√490,021 = [700; (66, 1, 2, 155, 4, 2, 6, 1, 26, 17, 4, 21, 3, 2, 2, 1, 1, 3, 1, 1, 7, 4, 1, 1, …)]

Representations

In words
four hundred ninety thousand twenty-one
Ordinal
490021st
Binary
1110111101000100101
Octal
1675045
Hexadecimal
0x77A25
Base64
B3ol
One's complement
4,294,477,274 (32-bit)
Scientific notation
4.90021 × 10⁵
As a duration
490,021 s = 5 days, 16 hours, 7 minutes, 1 second
In other bases
ternary (3) 220220011221
quaternary (4) 1313220211
quinary (5) 111140041
senary (6) 14300341
septenary (7) 4110430
nonary (9) 826157
undecimal (11) 305184
duodecimal (12) 1b76b1
tridecimal (13) 14206c
tetradecimal (14) ca817
pentadecimal (15) 9a2d1
Palindromic in base 6

As an angle

490,021° = 1,361 × 360° + 61°
61° ≈ 1.065 rad
Compass bearing: ENE (east-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓎆𓎆𓏺
Greek (Milesian)
͵υϟκαʹ
Chinese
四十九萬零二十一
Chinese (financial)
肆拾玖萬零貳拾壹
In other modern scripts
Eastern Arabic ٤٩٠٠٢١ Devanagari ४९००२१ Bengali ৪৯০০২১ Tamil ௪௯௦௦௨௧ Thai ๔๙๐๐๒๑ Tibetan ༤༩༠༠༢༡ Khmer ៤៩០០២១ Lao ໔໙໐໐໒໑ Burmese ၄၉၀၀၂၁

Also seen as

Hex color
#077A25
RGB(7, 122, 37)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.7.122.37.

Address
0.7.122.37
Class
reserved
IPv4-mapped IPv6
::ffff:0.7.122.37

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 490,021 and was likely granted around 1892.

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

Position in π

The digit sequence 490021 first appears in π at position 575,687 of the decimal expansion (the 575,687ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Related reading