520,490
520,490 is a composite number, even.
520,490 (five hundred twenty thousand four hundred ninety) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 5 × 23 × 31 × 73. Written other ways, in hexadecimal, 0x7F12A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 94,025
- Square (n²)
- 270,909,840,100
- Cube (n³)
- 141,005,862,673,649,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,022,976
- φ(n) — Euler's totient
- 190,080
- Sum of prime factors
- 134
Primality
Prime factorization: 2 × 5 × 23 × 31 × 73
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√520,490 = [721; (2, 4, 2, 34, 1, 2, 1, 7, 1, 3, 1, 3, 15, 1, 18, 1, 1, 3, 1, 1, 1, 11, 3, 1, …)]
Representations
- In words
- five hundred twenty thousand four hundred ninety
- Ordinal
- 520490th
- Binary
- 1111111000100101010
- Octal
- 1770452
- Hexadecimal
- 0x7F12A
- Base64
- B/Eq
- One's complement
- 4,294,446,805 (32-bit)
- Scientific notation
- 5.2049 × 10⁵
- As a duration
- 520,490 s = 6 days, 34 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φκυϟʹ
- Chinese
- 五十二萬零四百九十
- Chinese (financial)
- 伍拾貳萬零肆佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 520490, here are decompositions:
- 43 + 520447 = 520490
- 67 + 520423 = 520490
- 79 + 520411 = 520490
- 97 + 520393 = 520490
- 109 + 520381 = 520490
- 127 + 520363 = 520490
- 151 + 520339 = 520490
- 181 + 520309 = 520490
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.241.42.
- Address
- 0.7.241.42
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.241.42
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 520,490 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.