Base | Representation |
---|---|
bin | 111011001111… |
… | …0000101000010 |
3 | 2011102211002102 |
4 | 1312132011002 |
5 | 30422244234 |
6 | 3025350402 |
7 | 524654561 |
oct | 166360502 |
9 | 64384072 |
10 | 31056194 |
11 | 16591a84 |
12 | a498402 |
13 | 6584960 |
14 | 41a5bd8 |
15 | 2ad6c7e |
hex | 1d9e142 |
31056194 has 16 divisors (see below), whose sum is σ = 50735160. Its totient is φ = 14171520.
The previous prime is 31056169. The next prime is 31056197. The reversal of 31056194 is 49165013.
It can be written as a sum of positive squares in 4 ways, for example, as 24373969 + 6682225 = 4937^2 + 2585^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31056197) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 9024.
Almost surely, 231056194 is an apocalyptic number.
31056194 is a deficient number, since it is larger than the sum of its proper divisors (19678966).
31056194 is a wasteful number, since it uses less digits than its factorization.
31056194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13525.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 31056194 is about 5572.8084481705. The cubic root of 31056194 is about 314.3277643658.
The spelling of 31056194 in words is "thirty-one million, fifty-six thousand, one hundred ninety-four".
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