490,308
490,308 is a composite number, even.
490,308 (four hundred ninety thousand three hundred eight) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 3 × 7 × 13 × 449. Its proper divisors sum to 920,892, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77B44.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 803,094
- Square (n²)
- 240,401,934,864
- Cube (n³)
- 117,870,991,879,298,112
- Divisor count
- 48
- σ(n) — sum of divisors
- 1,411,200
- φ(n) — Euler's totient
- 129,024
- Sum of prime factors
- 476
Primality
Prime factorization: 2 2 × 3 × 7 × 13 × 449
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,308 = [700; (4, 1, 1, 4, 1, 10, 1, 3, 15, 1, 5, 3, 5, 3, 1, 3, 1, 3, 2, 1, 2, 1, 3, 2, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand three hundred eight
- Ordinal
- 490308th
- Binary
- 1110111101101000100
- Octal
- 1675504
- Hexadecimal
- 0x77B44
- Base64
- B3tE
- One's complement
- 4,294,476,987 (32-bit)
- Scientific notation
- 4.90308 × 10⁵
- As a duration
- 490,308 s = 5 days, 16 hours, 11 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υϟτηʹ
- Chinese
- 四十九萬零三百零八
- Chinese (financial)
- 肆拾玖萬零參佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490308, here are decompositions:
- 31 + 490277 = 490308
- 37 + 490271 = 490308
- 41 + 490267 = 490308
- 59 + 490249 = 490308
- 61 + 490247 = 490308
- 67 + 490241 = 490308
- 101 + 490207 = 490308
- 107 + 490201 = 490308
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.123.68.
- Address
- 0.7.123.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.123.68
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 490,308 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 490308 first appears in π at position 244,345 of the decimal expansion (the 244,345ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.