Base | Representation |
---|---|
bin | 111010111010… |
… | …0101110010100 |
3 | 2011010012201201 |
4 | 1311310232110 |
5 | 30401334204 |
6 | 3022002244 |
7 | 523350664 |
oct | 165645624 |
9 | 64105651 |
10 | 30886804 |
11 | 16486793 |
12 | a416384 |
13 | 6525820 |
14 | 41601a4 |
15 | 2aa19a4 |
hex | 1d74b94 |
30886804 has 12 divisors (see below), whose sum is σ = 58209844. Its totient is φ = 14255424.
The previous prime is 30886789. The next prime is 30886829. The reversal of 30886804 is 40868803.
It can be written as a sum of positive squares in 2 ways, for example, as 8133904 + 22752900 = 2852^2 + 4770^2 .
It is a super-2 number, since 2×308868042 = 1907989322668832, which contains 22 as substring.
It is a congruent number.
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, 296937 + ... + 297040.
Almost surely, 230886804 is an apocalyptic number.
It is an amenable number.
30886804 is a deficient number, since it is larger than the sum of its proper divisors (27323040).
30886804 is a wasteful number, since it uses less digits than its factorization.
30886804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593994 (or 593992 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 30886804 is about 5557.5897653569. The cubic root of 30886804 is about 313.7552422102.
The spelling of 30886804 in words is "thirty million, eight hundred eighty-six thousand, eight hundred four".
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