Base | Representation |
---|---|
bin | 1000010001011… |
… | …0101100101101 |
3 | 2102021201221100 |
4 | 2010112230231 |
5 | 32340232411 |
6 | 3235353313 |
7 | 600624315 |
oct | 204265455 |
9 | 72251840 |
10 | 34695981 |
11 | 18648671 |
12 | b752839 |
13 | 725a588 |
14 | 4872445 |
15 | 30a5456 |
hex | 2116b2d |
34695981 has 12 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 23037000.
The previous prime is 34695979. The next prime is 34695989. The reversal of 34695981 is 18959643.
It is a happy number.
It is not a de Polignac number, because 34695981 - 21 = 34695979 is a prime.
It is a super-2 number, since 2×346959812 = 2407622195104722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34695989) 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, 5421 + ... + 9938.
It is an arithmetic number, because the mean of its divisors is an integer number (4193280).
Almost surely, 234695981 is an apocalyptic number.
It is an amenable number.
34695981 is a deficient number, since it is larger than the sum of its proper divisors (15623379).
34695981 is a wasteful number, since it uses less digits than its factorization.
34695981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15616 (or 15613 counting only the distinct ones).
The product of its digits is 233280, while the sum is 45.
The square root of 34695981 is about 5890.3294474927. The cubic root of 34695981 is about 326.1567646557.
The spelling of 34695981 in words is "thirty-four million, six hundred ninety-five thousand, nine hundred eighty-one".
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