490,790
490,790 is a composite number, even.
490,790 (four hundred ninety thousand seven hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 17 × 2,887. Written other ways, in hexadecimal, 0x77D26.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 97,094
- Square (n²)
- 240,874,824,100
- Cube (n³)
- 118,218,954,920,039,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 935,712
- φ(n) — Euler's totient
- 184,704
- Sum of prime factors
- 2,911
Primality
Prime factorization: 2 × 5 × 17 × 2887
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,790 = [700; (1, 1, 3, 2, 2, 14, 2, 53, 2, 2, 5, 1, 15, 2, 4, 2, 1, 7, 1, 1, 1, 1, 40, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand seven hundred ninety
- Ordinal
- 490790th
- Binary
- 1110111110100100110
- Octal
- 1676446
- Hexadecimal
- 0x77D26
- Base64
- B30m
- One's complement
- 4,294,476,505 (32-bit)
- Scientific notation
- 4.9079 × 10⁵
- As a duration
- 490,790 s = 5 days, 16 hours, 19 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υϟψϟʹ
- Chinese
- 四十九萬零七百九十
- Chinese (financial)
- 肆拾玖萬零柒佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490790, here are decompositions:
- 7 + 490783 = 490790
- 19 + 490771 = 490790
- 127 + 490663 = 490790
- 163 + 490627 = 490790
- 199 + 490591 = 490790
- 211 + 490579 = 490790
- 241 + 490549 = 490790
- 271 + 490519 = 490790
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.125.38.
- Address
- 0.7.125.38
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.125.38
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 490,790 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 490790 first appears in π at position 299,903 of the decimal expansion (the 299,903ordinal-suffix:rd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.