489,742
489,742 is a composite number, even.
489,742 (four hundred eighty-nine thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 11 × 113 × 197. Written other ways, in hexadecimal, 0x7790E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 16,128
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 247,984
- Square (n²)
- 239,847,226,564
- Cube (n³)
- 117,463,260,431,906,488
- Divisor count
- 16
- σ(n) — sum of divisors
- 812,592
- φ(n) — Euler's totient
- 219,520
- Sum of prime factors
- 323
Primality
Prime factorization: 2 × 11 × 113 × 197
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√489,742 = [699; (1, 4, 2, 2, 1, 6, 3, 1, 21, 2, 5, 2, 1, 2, 1, 1, 2, 4, 1, 1, 1, 4, 1, 13, …)]
Representations
- In words
- four hundred eighty-nine thousand seven hundred forty-two
- Ordinal
- 489742nd
- Binary
- 1110111100100001110
- Octal
- 1674416
- Hexadecimal
- 0x7790E
- Base64
- B3kO
- One's complement
- 4,294,477,553 (32-bit)
- Scientific notation
- 4.89742 × 10⁵
- As a duration
- 489,742 s = 5 days, 16 hours, 2 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υπθψμβʹ
- Chinese
- 四十八萬九千七百四十二
- Chinese (financial)
- 肆拾捌萬玖仟柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 489742, here are decompositions:
- 53 + 489689 = 489742
- 83 + 489659 = 489742
- 89 + 489653 = 489742
- 191 + 489551 = 489742
- 263 + 489479 = 489742
- 293 + 489449 = 489742
- 311 + 489431 = 489742
- 353 + 489389 = 489742
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.121.14.
- Address
- 0.7.121.14
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.121.14
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 489,742 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 489742 first appears in π at position 24,460 of the decimal expansion (the 24,460ordinal-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°.