494,442
494,442 is a composite number, even.
494,442 (four hundred ninety-four thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 3² × 13 × 2,113. Its proper divisors sum to 659,802, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x78B6A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 4,608
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 244,494
- Recamán's sequence
- a(150,396) = 494,442
- Square (n²)
- 244,472,891,364
- Cube (n³)
- 120,877,665,351,798,888
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,154,244
- φ(n) — Euler's totient
- 152,064
- Sum of prime factors
- 2,134
Primality
Prime factorization: 2 × 3 2 × 13 × 2113
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√494,442 = [703; (6, 28, 1, 1, 6, 1, 5, 1, 6, 4, 36, 1, 3, 3, 3, 6, 1, 3, 4, 63, 1, 2, 4, 1, …)]
Representations
- In words
- four hundred ninety-four thousand four hundred forty-two
- Ordinal
- 494442nd
- Binary
- 1111000101101101010
- Octal
- 1705552
- Hexadecimal
- 0x78B6A
- Base64
- B4tq
- One's complement
- 4,294,472,853 (32-bit)
- Scientific notation
- 4.94442 × 10⁵
- As a duration
- 494,442 s = 5 days, 17 hours, 20 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵υϟδυμβʹ
- Chinese
- 四十九萬四千四百四十二
- Chinese (financial)
- 肆拾玖萬肆仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 494442, here are decompositions:
- 29 + 494413 = 494442
- 59 + 494383 = 494442
- 61 + 494381 = 494442
- 73 + 494369 = 494442
- 83 + 494359 = 494442
- 89 + 494353 = 494442
- 101 + 494341 = 494442
- 173 + 494269 = 494442
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.139.106.
- Address
- 0.7.139.106
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.139.106
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 494,442 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 494442 first appears in π at position 336,963 of the decimal expansion (the 336,963ordinal-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°.