Base | Representation |
---|---|
bin | 111011000101… |
… | …0000010000000 |
3 | 2011021122110011 |
4 | 1312022002000 |
5 | 30412132310 |
6 | 3023514304 |
7 | 524163304 |
oct | 166120200 |
9 | 64248404 |
10 | 30974080 |
11 | 16536315 |
12 | a458994 |
13 | 6556477 |
14 | 4183d04 |
15 | 2abc78a |
hex | 1d8a080 |
30974080 has 32 divisors (see below), whose sum is σ = 74048940. Its totient is φ = 12389376.
The previous prime is 30974029. The next prime is 30974107. The reversal of 30974080 is 8047903.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 30735936 + 238144 = 5544^2 + 488^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23559 + ... + 24838.
Almost surely, 230974080 is an apocalyptic number.
It is an amenable number.
30974080 is an abundant number, since it is smaller than the sum of its proper divisors (43074860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30974080 is an equidigital number, since it uses as much as digits as its factorization.
30974080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48416 (or 48404 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 30974080 is about 5565.4361913510. The cubic root of 30974080 is about 314.0504875070.
The spelling of 30974080 in words is "thirty million, nine hundred seventy-four thousand, eighty".
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