Base | Representation |
---|---|
bin | 111011110110… |
… | …0001100010011 |
3 | 2012001001222112 |
4 | 1313230030103 |
5 | 31013014042 |
6 | 3040255535 |
7 | 530456435 |
oct | 167541423 |
9 | 65031875 |
10 | 31376147 |
11 | 16790400 |
12 | a6115ab |
13 | 666748a |
14 | 424a655 |
15 | 2b4b982 |
hex | 1dec313 |
31376147 has 12 divisors (see below), whose sum is σ = 34633200. Its totient is φ = 28403760.
The previous prime is 31376113. The next prime is 31376153. The reversal of 31376147 is 74167313.
It is not a de Polignac number, because 31376147 - 212 = 31372051 is a prime.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31376047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41858 + ... + 42600.
It is an arithmetic number, because the mean of its divisors is an integer number (2886100).
Almost surely, 231376147 is an apocalyptic number.
31376147 is a deficient number, since it is larger than the sum of its proper divisors (3257053).
31376147 is a wasteful number, since it uses less digits than its factorization.
31376147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1114 (or 1103 counting only the distinct ones).
The product of its digits is 10584, while the sum is 32.
The square root of 31376147 is about 5601.4415108970. The cubic root of 31376147 is about 315.4035208225.
The spelling of 31376147 in words is "thirty-one million, three hundred seventy-six thousand, one hundred forty-seven".
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