Base | Representation |
---|---|
bin | 111011000110… |
… | …1001011001000 |
3 | 2011022022002220 |
4 | 1312031023020 |
5 | 30413040302 |
6 | 3024054040 |
7 | 524245653 |
oct | 166151310 |
9 | 64268086 |
10 | 30986952 |
11 | 16544a57 |
12 | a464320 |
13 | 655c299 |
14 | 418889a |
15 | 2ac14bc |
hex | 1d8d2c8 |
30986952 has 48 divisors (see below), whose sum is σ = 78828240. Its totient is φ = 10150272.
The previous prime is 30986947. The next prime is 30986981. The reversal of 30986952 is 25968903.
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, 190023 + ... + 190185.
It is an arithmetic number, because the mean of its divisors is an integer number (1642255).
Almost surely, 230986952 is an apocalyptic number.
It is an amenable number.
30986952 is an abundant number, since it is smaller than the sum of its proper divisors (47841288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30986952 is a wasteful number, since it uses less digits than its factorization.
30986952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 350 (or 257 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 30986952 is about 5566.5924945158. The cubic root of 30986952 is about 314.0939851457.
The spelling of 30986952 in words is "thirty million, nine hundred eighty-six thousand, nine hundred fifty-two".
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