148,390
148,390 is a composite number, even.
148,390 (one hundred forty-eight thousand three hundred ninety) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 5 × 11 × 19 × 71. Its proper divisors sum to 162,650, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x243A6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 93,841
- Recamán's sequence
- a(211,636) = 148,390
- Square (n²)
- 22,019,592,100
- Cube (n³)
- 3,267,487,271,719,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 311,040
- φ(n) — Euler's totient
- 50,400
- Sum of prime factors
- 108
Primality
Prime factorization: 2 × 5 × 11 × 19 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,390 = [385; (4, 1, 2, 85, 4, 15, 2, 9, 36, 1, 1, 2, 1, 1, 3, 2, 36, 4, 36, 2, 3, 1, 1, 2, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand three hundred ninety
- Ordinal
- 148390th
- Binary
- 100100001110100110
- Octal
- 441646
- Hexadecimal
- 0x243A6
- Base64
- AkOm
- One's complement
- 4,294,818,905 (32-bit)
- Scientific notation
- 1.4839 × 10⁵
- As a duration
- 148,390 s = 1 day, 17 hours, 13 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμητϟʹ
- Mayan (base 20)
- 𝋲·𝋪·𝋳·𝋪
- Chinese
- 一十四萬八千三百九十
- Chinese (financial)
- 壹拾肆萬捌仟參佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148390, here are decompositions:
- 3 + 148387 = 148390
- 23 + 148367 = 148390
- 29 + 148361 = 148390
- 59 + 148331 = 148390
- 89 + 148301 = 148390
- 191 + 148199 = 148390
- 197 + 148193 = 148390
- 233 + 148157 = 148390
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 8E A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.67.166.
- Address
- 0.2.67.166
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.67.166
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 148,390 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 148390 first appears in π at position 426,022 of the decimal expansion (the 426,022ordinal-suffix:nd 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.