479,440
479,440 is a composite number, even.
479,440 (four hundred seventy-nine thousand four hundred forty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 13 × 461. Its proper divisors sum to 723,608, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x750D0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 44,974
- Square (n²)
- 229,862,713,600
- Cube (n³)
- 110,205,379,408,384,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 1,203,048
- φ(n) — Euler's totient
- 176,640
- Sum of prime factors
- 487
Primality
Prime factorization: 2 4 × 5 × 13 × 461
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√479,440 = [692; (2, 2, 2, 11, 35, 2, 2, 1, 1, 1, 21, 153, 1, 4, 1, 2, 6, 1, 8, 1, 3, 21, 2, 1, …)]
Representations
- In words
- four hundred seventy-nine thousand four hundred forty
- Ordinal
- 479440th
- Binary
- 1110101000011010000
- Octal
- 1650320
- Hexadecimal
- 0x750D0
- Base64
- B1DQ
- One's complement
- 4,294,487,855 (32-bit)
- Scientific notation
- 4.7944 × 10⁵
- As a duration
- 479,440 s = 5 days, 13 hours, 10 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υοθυμʹ
- Chinese
- 四十七萬九千四百四十
- Chinese (financial)
- 肆拾柒萬玖仟肆佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 479440, here are decompositions:
- 11 + 479429 = 479440
- 53 + 479387 = 479440
- 83 + 479357 = 479440
- 113 + 479327 = 479440
- 131 + 479309 = 479440
- 173 + 479267 = 479440
- 197 + 479243 = 479440
- 239 + 479201 = 479440
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.80.208.
- Address
- 0.7.80.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.80.208
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 479,440 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 479440 first appears in π at position 206,287 of the decimal expansion (the 206,287ordinal-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°.