Base | Representation |
---|---|
bin | 111011011100… |
… | …1100110101101 |
3 | 2011122112202020 |
4 | 1312321212231 |
5 | 30434401231 |
6 | 3032020353 |
7 | 525634356 |
oct | 166714655 |
9 | 64575666 |
10 | 31168941 |
11 | 16659761 |
12 | a5316b9 |
13 | 65c407b |
14 | 41d4d2d |
15 | 2b0a396 |
hex | 1db99ad |
31168941 has 4 divisors (see below), whose sum is σ = 41558592. Its totient is φ = 20779292.
The previous prime is 31168927. The next prime is 31169011. The reversal of 31168941 is 14986113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31168941 - 25 = 31168909 is a prime.
It is a super-2 number, since 2×311689412 = 1943005766122962, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31168141) 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, 5194821 + ... + 5194826.
It is an arithmetic number, because the mean of its divisors is an integer number (10389648).
Almost surely, 231168941 is an apocalyptic number.
It is an amenable number.
31168941 is a deficient number, since it is larger than the sum of its proper divisors (10389651).
31168941 is a wasteful number, since it uses less digits than its factorization.
31168941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10389650.
The product of its digits is 5184, while the sum is 33.
The square root of 31168941 is about 5582.9150987634. The cubic root of 31168941 is about 314.7076854853.
The spelling of 31168941 in words is "thirty-one million, one hundred sixty-eight thousand, nine hundred forty-one".
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