Base | Representation |
---|---|
bin | 111011101100… |
… | …0001010011011 |
3 | 2011212220110000 |
4 | 1313120022123 |
5 | 31002402412 |
6 | 3034424043 |
7 | 526665315 |
oct | 167301233 |
9 | 64786400 |
10 | 31294107 |
11 | 167347a9 |
12 | a592023 |
13 | 6639030 |
14 | 42287b5 |
15 | 2b324dc |
hex | 1dd829b |
31294107 has 40 divisors (see below), whose sum is σ = 50982624. Its totient is φ = 19014912.
The previous prime is 31294079. The next prime is 31294117. The reversal of 31294107 is 70149213.
It is not a de Polignac number, because 31294107 - 27 = 31293979 is a prime.
It is a super-2 number, since 2×312941072 = 1958642265854898, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (31294117) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 118858 + ... + 119120.
Almost surely, 231294107 is an apocalyptic number.
31294107 is a deficient number, since it is larger than the sum of its proper divisors (19688517).
31294107 is a wasteful number, since it uses less digits than its factorization.
31294107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401 (or 392 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 31294107 is about 5594.1136027078. The cubic root of 31294107 is about 315.1283830426.
The spelling of 31294107 in words is "thirty-one million, two hundred ninety-four thousand, one hundred seven".
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