Base | Representation |
---|---|
bin | 111010111010… |
… | …0100010000000 |
3 | 2011010011122112 |
4 | 1311310202000 |
5 | 30401323031 |
6 | 3021554452 |
7 | 523345460 |
oct | 165644200 |
9 | 64104575 |
10 | 30886016 |
11 | 16486137 |
12 | a415a28 |
13 | 6525365 |
14 | 415dba0 |
15 | 2aa162b |
hex | 1d74880 |
30886016 has 32 divisors (see below), whose sum is σ = 70322880. Its totient is φ = 13236480.
The previous prime is 30886007. The next prime is 30886049. The reversal of 30886016 is 61068803.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (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, 16340 + ... + 18131.
It is an arithmetic number, because the mean of its divisors is an integer number (2197590).
Almost surely, 230886016 is an apocalyptic number.
It is an amenable number.
30886016 is an abundant number, since it is smaller than the sum of its proper divisors (39436864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30886016 is an equidigital number, since it uses as much as digits as its factorization.
30886016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34492 (or 34480 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 30886016 is about 5557.5188708631. The cubic root of 30886016 is about 313.7525739592.
The spelling of 30886016 in words is "thirty million, eight hundred eighty-six thousand, sixteen".
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