490,542
490,542 is a composite number, even.
490,542 (four hundred ninety thousand five hundred forty-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 13 × 19 × 331. Its proper divisors sum to 624,978, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77C2E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 245,094
- Square (n²)
- 240,631,453,764
- Cube (n³)
- 118,039,834,592,300,088
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,115,520
- φ(n) — Euler's totient
- 142,560
- Sum of prime factors
- 368
Primality
Prime factorization: 2 × 3 × 13 × 19 × 331
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,542 = [700; (2, 1, 1, 2, 2, 16, 1, 1, 1, 31, 1, 10, 1, 9, 6, 4, 1, 3, 1, 2, 47, 1, 16, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand five hundred forty-two
- Ordinal
- 490542nd
- Binary
- 1110111110000101110
- Octal
- 1676056
- Hexadecimal
- 0x77C2E
- Base64
- B3wu
- One's complement
- 4,294,476,753 (32-bit)
- Scientific notation
- 4.90542 × 10⁵
- As a duration
- 490,542 s = 5 days, 16 hours, 15 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υϟφμβʹ
- Chinese
- 四十九萬零五百四十二
- Chinese (financial)
- 肆拾玖萬零伍佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490542, here are decompositions:
- 5 + 490537 = 490542
- 23 + 490519 = 490542
- 43 + 490499 = 490542
- 61 + 490481 = 490542
- 79 + 490463 = 490542
- 83 + 490459 = 490542
- 89 + 490453 = 490542
- 149 + 490393 = 490542
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.124.46.
- Address
- 0.7.124.46
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.124.46
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 490,542 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 490542 first appears in π at position 436,272 of the decimal expansion (the 436,272ordinal-suffix:nd 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°.