490,494
490,494 is a composite number, even.
490,494 (four hundred ninety thousand four hundred ninety-four) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 81,749. Its proper divisors sum to 490,506, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77BFE.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 494,094
- Square (n²)
- 240,584,364,036
- Cube (n³)
- 118,005,187,053,473,784
- Divisor count
- 8
- σ(n) — sum of divisors
- 981,000
- φ(n) — Euler's totient
- 163,496
- Sum of prime factors
- 81,754
Primality
Prime factorization: 2 × 3 × 81749
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,494 = [700; (2, 1, 5, 19, 1, 5, 99, 1, 7, 2, 279, 1, 2, 28, 3, 1, 29, 19, 1, 41, 2, 55, 1, 1, …)]
Representations
- In words
- four hundred ninety thousand four hundred ninety-four
- Ordinal
- 490494th
- Binary
- 1110111101111111110
- Octal
- 1675776
- Hexadecimal
- 0x77BFE
- Base64
- B3v+
- One's complement
- 4,294,476,801 (32-bit)
- Scientific notation
- 4.90494 × 10⁵
- As a duration
- 490,494 s = 5 days, 16 hours, 14 minutes, 54 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υϟυϟδʹ
- Chinese
- 四十九萬零四百九十四
- Chinese (financial)
- 肆拾玖萬零肆佰玖拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490494, here are decompositions:
- 13 + 490481 = 490494
- 31 + 490463 = 490494
- 41 + 490453 = 490494
- 73 + 490421 = 490494
- 101 + 490393 = 490494
- 127 + 490367 = 490494
- 181 + 490313 = 490494
- 211 + 490283 = 490494
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.123.254.
- Address
- 0.7.123.254
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.123.254
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 490,494 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 490494 first appears in π at position 559,934 of the decimal expansion (the 559,934ordinal-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°.