Base | Representation |
---|---|
bin | 111011101000… |
… | …1110011010111 |
3 | 2011211120201010 |
4 | 1313101303113 |
5 | 31001034210 |
6 | 3034103303 |
7 | 526526340 |
oct | 167216327 |
9 | 64746633 |
10 | 31268055 |
11 | 16717175 |
12 | a57ab33 |
13 | 662a210 |
14 | 421d0c7 |
15 | 2b29920 |
hex | 1dd1cd7 |
31268055 has 32 divisors (see below), whose sum is σ = 61576704. Its totient is φ = 13193856.
The previous prime is 31268011. The next prime is 31268059. The reversal of 31268055 is 55086213.
It is not a de Polignac number, because 31268055 - 27 = 31267927 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31268059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10089 + ... + 12818.
It is an arithmetic number, because the mean of its divisors is an integer number (1924272).
Almost surely, 231268055 is an apocalyptic number.
31268055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
31268055 is a deficient number, since it is larger than the sum of its proper divisors (30308649).
31268055 is a wasteful number, since it uses less digits than its factorization.
31268055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22935.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 31268055 is about 5591.7845988557. The cubic root of 31268055 is about 315.0409117938.
The spelling of 31268055 in words is "thirty-one million, two hundred sixty-eight thousand, fifty-five".
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