124,240
124,240 is a composite number, even.
124,240 (one hundred twenty-four thousand two hundred forty) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 5 × 1,553. Its proper divisors sum to 164,804, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E550.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 42,421
- Recamán's sequence
- a(237,684) = 124,240
- Square (n²)
- 15,435,577,600
- Cube (n³)
- 1,917,716,161,024,000
- Divisor count
- 20
- σ(n) — sum of divisors
- 289,044
- φ(n) — Euler's totient
- 49,664
- Sum of prime factors
- 1,566
Primality
Prime factorization: 2 4 × 5 × 1553
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,240 = [352; (2, 10, 2, 1, 8, 4, 17, 1, 4, 1, 46, 6, 17, 1, 10, 14, 3, 2, 1, 1, 2, 77, 1, 16, …)]
Representations
- In words
- one hundred twenty-four thousand two hundred forty
- Ordinal
- 124240th
- Binary
- 11110010101010000
- Octal
- 362520
- Hexadecimal
- 0x1E550
- Base64
- AeVQ
- One's complement
- 4,294,843,055 (32-bit)
- Scientific notation
- 1.2424 × 10⁵
- As a duration
- 124,240 s = 1 day, 10 hours, 30 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκδσμʹ
- Mayan (base 20)
- 𝋯·𝋪·𝋬·𝋠
- Chinese
- 一十二萬四千二百四十
- Chinese (financial)
- 壹拾貳萬肆仟貳佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124240, here are decompositions:
- 41 + 124199 = 124240
- 47 + 124193 = 124240
- 59 + 124181 = 124240
- 101 + 124139 = 124240
- 107 + 124133 = 124240
- 173 + 124067 = 124240
- 239 + 124001 = 124240
- 251 + 123989 = 124240
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.229.80.
- Address
- 0.1.229.80
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.229.80
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 124,240 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 124240 first appears in π at position 346,795 of the decimal expansion (the 346,795ordinal-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.