122,590
122,590 is a composite number, even.
122,590 (one hundred twenty-two thousand five hundred ninety) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 5 × 13 × 23 × 41. Its proper divisors sum to 131,426, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DEDE.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 95,221
- Square (n²)
- 15,028,308,100
- Cube (n³)
- 1,842,320,289,979,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 254,016
- φ(n) — Euler's totient
- 42,240
- Sum of prime factors
- 84
Primality
Prime factorization: 2 × 5 × 13 × 23 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,590 = [350; (7, 1, 3, 1, 1, 8, 11, 2, 1, 3, 9, 5, 4, 4, 1, 3, 1, 77, 70, 77, 1, 3, 1, 4, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand five hundred ninety
- Ordinal
- 122590th
- Binary
- 11101111011011110
- Octal
- 357336
- Hexadecimal
- 0x1DEDE
- Base64
- Ad7e
- One's complement
- 4,294,844,705 (32-bit)
- Scientific notation
- 1.2259 × 10⁵
- As a duration
- 122,590 s = 1 day, 10 hours, 3 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβφϟʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋩·𝋪
- Chinese
- 一十二萬二千五百九十
- Chinese (financial)
- 壹拾貳萬貳仟伍佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122590, here are decompositions:
- 11 + 122579 = 122590
- 29 + 122561 = 122590
- 89 + 122501 = 122590
- 101 + 122489 = 122590
- 113 + 122477 = 122590
- 137 + 122453 = 122590
- 191 + 122399 = 122590
- 197 + 122393 = 122590
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.222.
- Address
- 0.1.222.222
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.222
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 122,590 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 122590 first appears in π at position 81,686 of the decimal expansion (the 81,686ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.