Base | Representation |
---|---|
bin | 10001111010010… |
… | …11011101000111 |
3 | 101110201202200222 |
4 | 20331023131013 |
5 | 301431133211 |
6 | 22524254555 |
7 | 3503102324 |
oct | 1075133507 |
9 | 343652628 |
10 | 150255431 |
11 | 778a7147 |
12 | 423a145b |
13 | 2518b251 |
14 | 15d53b4b |
15 | d2d01db |
hex | 8f4b747 |
150255431 has 4 divisors (see below), whose sum is σ = 150426864. Its totient is φ = 150084000.
The previous prime is 150255341. The next prime is 150255461. The reversal of 150255431 is 134552051.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134552051 = 191 ⋅704461.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-150255431 is a prime.
It is a super-2 number, since 2×1502554312 = 45153389089991522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 150255431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150255461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84395 + ... + 86156.
It is an arithmetic number, because the mean of its divisors is an integer number (37606716).
Almost surely, 2150255431 is an apocalyptic number.
150255431 is a deficient number, since it is larger than the sum of its proper divisors (171433).
150255431 is an equidigital number, since it uses as much as digits as its factorization.
150255431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171432.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 150255431 is about 12257.8722052402. The cubic root of 150255431 is about 531.6307090501.
The spelling of 150255431 in words is "one hundred fifty million, two hundred fifty-five thousand, four hundred thirty-one".
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