490,002
490,002 is a composite number, even.
490,002 (four hundred ninety thousand two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 81,667. Its proper divisors sum to 490,014, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77A12.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 200,094
- Square (n²)
- 240,101,960,004
- Cube (n³)
- 117,650,440,605,880,008
- Divisor count
- 8
- σ(n) — sum of divisors
- 980,016
- φ(n) — Euler's totient
- 163,332
- Sum of prime factors
- 81,672
Primality
Prime factorization: 2 × 3 × 81667
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,002 = [700; (700, 1400)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand two
- Ordinal
- 490002nd
- Binary
- 1110111101000010010
- Octal
- 1675022
- Hexadecimal
- 0x77A12
- Base64
- B3oS
- One's complement
- 4,294,477,293 (32-bit)
- Scientific notation
- 4.90002 × 10⁵
- As a duration
- 490,002 s = 5 days, 16 hours, 6 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓏺𓏺
- Greek (Milesian)
- ͵υϟβʹ
- Chinese
- 四十九萬零二
- Chinese (financial)
- 肆拾玖萬零貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490002, here are decompositions:
- 13 + 489989 = 490002
- 41 + 489961 = 490002
- 43 + 489959 = 490002
- 59 + 489943 = 490002
- 61 + 489941 = 490002
- 89 + 489913 = 490002
- 101 + 489901 = 490002
- 131 + 489871 = 490002
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.122.18.
- Address
- 0.7.122.18
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.122.18
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 490,002 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 490002 first appears in π at position 234,167 of the decimal expansion (the 234,167ordinal-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°.