997,488
997,488 is a composite number, even.
997,488 (nine hundred ninety-seven thousand four hundred eighty-eight) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 3³ × 2,309. Its proper divisors sum to 1,866,912, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3870.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 45
- Digit product
- 145,152
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 884,799
- Square (n²)
- 994,982,310,144
- Cube (n³)
- 992,482,914,580,918,272
- Divisor count
- 40
- σ(n) — sum of divisors
- 2,864,400
- φ(n) — Euler's totient
- 332,352
- Sum of prime factors
- 2,326
Primality
Prime factorization: 2 4 × 3 3 × 2309
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√997,488 = [998; (1, 2, 1, 8, 2, 5, 16, 1, 1, 1, 1, 13, 3, 1, 2, 1, 1, 7, 1, 1, 1, 1, 3, 1, …)]
Representations
- In words
- nine hundred ninety-seven thousand four hundred eighty-eight
- Ordinal
- 997488th
- Binary
- 11110011100001110000
- Octal
- 3634160
- Hexadecimal
- 0xF3870
- Base64
- Dzhw
- One's complement
- 4,293,969,807 (32-bit)
- Scientific notation
- 9.97488 × 10⁵
- As a duration
- 997,488 s = 11 days, 13 hours, 4 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟζυπηʹ
- Chinese
- 九十九萬七千四百八十八
- Chinese (financial)
- 玖拾玖萬柒仟肆佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 997488, here are decompositions:
- 61 + 997427 = 997488
- 97 + 997391 = 997488
- 109 + 997379 = 997488
- 131 + 997357 = 997488
- 179 + 997309 = 997488
- 181 + 997307 = 997488
- 229 + 997259 = 997488
- 241 + 997247 = 997488
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.56.112.
- Address
- 0.15.56.112
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.56.112
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 997,488 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 997488 first appears in π at position 378,360 of the decimal expansion (the 378,360ordinal-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°.