494,040
494,040 is a composite number, even.
494,040 (four hundred ninety-four thousand forty) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2³ × 3 × 5 × 23 × 179. Its proper divisors sum to 1,061,160, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x789D8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 40,494
- Square (n²)
- 244,075,521,600
- Cube (n³)
- 120,583,070,691,264,000
- Divisor count
- 64
- σ(n) — sum of divisors
- 1,555,200
- φ(n) — Euler's totient
- 125,312
- Sum of prime factors
- 216
Primality
Prime factorization: 2 3 × 3 × 5 × 23 × 179
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√494,040 = [702; (1, 7, 3, 7, 3, 7, 1, 1404)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-four thousand forty
- Ordinal
- 494040th
- Binary
- 1111000100111011000
- Octal
- 1704730
- Hexadecimal
- 0x789D8
- Base64
- B4nY
- One's complement
- 4,294,473,255 (32-bit)
- Scientific notation
- 4.9404 × 10⁵
- As a duration
- 494,040 s = 5 days, 17 hours, 14 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υϟδμʹ
- Chinese
- 四十九萬四千零四十
- Chinese (financial)
- 肆拾玖萬肆仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 494040, here are decompositions:
- 11 + 494029 = 494040
- 17 + 494023 = 494040
- 47 + 493993 = 494040
- 61 + 493979 = 494040
- 67 + 493973 = 494040
- 73 + 493967 = 494040
- 101 + 493939 = 494040
- 103 + 493937 = 494040
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.137.216.
- Address
- 0.7.137.216
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.137.216
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 494,040 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 494040 first appears in π at position 899,584 of the decimal expansion (the 899,584ordinal-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°.