490,040
490,040 is a composite number, even.
490,040 (four hundred ninety thousand forty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 12,251. Its proper divisors sum to 612,640, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77A38.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 40,094
- Square (n²)
- 240,139,201,600
- Cube (n³)
- 117,677,814,352,064,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,102,680
- φ(n) — Euler's totient
- 196,000
- Sum of prime factors
- 12,262
Primality
Prime factorization: 2 3 × 5 × 12251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,040 = [700; (35, 1400)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand forty
- Ordinal
- 490040th
- Binary
- 1110111101000111000
- Octal
- 1675070
- Hexadecimal
- 0x77A38
- Base64
- B3o4
- One's complement
- 4,294,477,255 (32-bit)
- Scientific notation
- 4.9004 × 10⁵
- As a duration
- 490,040 s = 5 days, 16 hours, 7 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υϟμʹ
- Chinese
- 四十九萬零四十
- Chinese (financial)
- 肆拾玖萬零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490040, here are decompositions:
- 7 + 490033 = 490040
- 37 + 490003 = 490040
- 79 + 489961 = 490040
- 97 + 489943 = 490040
- 127 + 489913 = 490040
- 139 + 489901 = 490040
- 193 + 489847 = 490040
- 223 + 489817 = 490040
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.122.56.
- Address
- 0.7.122.56
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.122.56
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 490,040 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.