122,748
122,748 is a composite number, even.
122,748 (one hundred twenty-two thousand seven hundred forty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 53 × 193. Its proper divisors sum to 170,580, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DF7C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 896
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 847,221
- Square (n²)
- 15,067,071,504
- Cube (n³)
- 1,849,452,892,972,992
- Divisor count
- 24
- σ(n) — sum of divisors
- 293,328
- φ(n) — Euler's totient
- 39,936
- Sum of prime factors
- 253
Primality
Prime factorization: 2 2 × 3 × 53 × 193
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,748 = [350; (2, 1, 4, 1, 2, 6, 1, 6, 1, 2, 28, 1, 5, 1, 1, 2, 1, 1, 11, 3, 2, 1, 1, 174, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand seven hundred forty-eight
- Ordinal
- 122748th
- Binary
- 11101111101111100
- Octal
- 357574
- Hexadecimal
- 0x1DF7C
- Base64
- Ad98
- One's complement
- 4,294,844,547 (32-bit)
- Scientific notation
- 1.22748 × 10⁵
- As a duration
- 122,748 s = 1 day, 10 hours, 5 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκβψμηʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋱·𝋨
- Chinese
- 一十二萬二千七百四十八
- Chinese (financial)
- 壹拾貳萬貳仟柒佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122748, here are decompositions:
- 5 + 122743 = 122748
- 7 + 122741 = 122748
- 29 + 122719 = 122748
- 47 + 122701 = 122748
- 97 + 122651 = 122748
- 137 + 122611 = 122748
- 139 + 122609 = 122748
- 149 + 122599 = 122748
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.223.124.
- Address
- 0.1.223.124
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.223.124
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 122,748 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 122748 first appears in π at position 189,209 of the decimal expansion (the 189,209ordinal-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°.