Base | Representation |
---|---|
bin | 111011000011… |
… | …0101100110000 |
3 | 2011020221201200 |
4 | 1312012230300 |
5 | 30411213212 |
6 | 3023331200 |
7 | 524105436 |
oct | 166065460 |
9 | 64227650 |
10 | 30960432 |
11 | 16527038 |
12 | a450b00 |
13 | 65501a9 |
14 | 417cd56 |
15 | 2ab86dc |
hex | 1d86b30 |
30960432 has 60 divisors (see below), whose sum is σ = 87966840. Its totient is φ = 10162944.
The previous prime is 30960407. The next prime is 30960463. The reversal of 30960432 is 23406903.
It is a junction number, because it is equal to n+sod(n) for n = 30960396 and 30960405.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8044 + ... + 11252.
It is an arithmetic number, because the mean of its divisors is an integer number (1466114).
Almost surely, 230960432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30960432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43983420).
30960432 is an abundant number, since it is smaller than the sum of its proper divisors (57006408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30960432 is a wasteful number, since it uses less digits than its factorization.
30960432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3290 (or 3281 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 30960432 is about 5564.2099169604. The cubic root of 30960432 is about 314.0043544097.
The spelling of 30960432 in words is "thirty million, nine hundred sixty thousand, four hundred thirty-two".
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