148,240
148,240 is a composite number, even.
148,240 (one hundred forty-eight thousand two hundred forty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 17 × 109. Its proper divisors sum to 220,040, more than the number itself, making it an abundant number. It is the 544th triangular number. Written other ways, in hexadecimal, 0x24310.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 42,841
- Recamán's sequence
- a(211,936) = 148,240
- Square (n²)
- 21,975,097,600
- Cube (n³)
- 3,257,588,468,224,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 368,280
- φ(n) — Euler's totient
- 55,296
- Sum of prime factors
- 139
Primality
Prime factorization: 2 4 × 5 × 17 × 109
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,240 = [385; (51, 2, 1, 84, 1, 8, 5, 1, 1, 2, 5, 9, 3, 8, 1, 5, 2, 8, 5, 4, 2, 1, 3, 2, …)]
Period length 54 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand two hundred forty
- Ordinal
- 148240th
- Binary
- 100100001100010000
- Octal
- 441420
- Hexadecimal
- 0x24310
- Base64
- AkMQ
- One's complement
- 4,294,819,055 (32-bit)
- Scientific notation
- 1.4824 × 10⁵
- As a duration
- 148,240 s = 1 day, 17 hours, 10 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμησμʹ
- Mayan (base 20)
- 𝋲·𝋪·𝋬·𝋠
- Chinese
- 一十四萬八千二百四十
- Chinese (financial)
- 壹拾肆萬捌仟貳佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148240, here are decompositions:
- 11 + 148229 = 148240
- 41 + 148199 = 148240
- 47 + 148193 = 148240
- 83 + 148157 = 148240
- 89 + 148151 = 148240
- 101 + 148139 = 148240
- 149 + 148091 = 148240
- 167 + 148073 = 148240
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 8C 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.67.16.
- Address
- 0.2.67.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.67.16
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 148,240 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 148240 first appears in π at position 30,061 of the decimal expansion (the 30,061ordinal-suffix:st 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
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.