Base | Representation |
---|---|
bin | 111001011010… |
… | …1100110100000 |
3 | 2002122102212210 |
4 | 1302311212200 |
5 | 30201311333 |
6 | 2553122120 |
7 | 513610446 |
oct | 162654640 |
9 | 62572783 |
10 | 30103968 |
11 | 15aa1614 |
12 | a0b9340 |
13 | 63103cb |
14 | 3dd8b96 |
15 | 2999a63 |
hex | 1cb59a0 |
30103968 has 24 divisors (see below), whose sum is σ = 79023168. Its totient is φ = 10034624.
The previous prime is 30103951. The next prime is 30103973. The reversal of 30103968 is 86930103.
It is a tau number, because it is divible by the number of its divisors (24).
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, 156696 + ... + 156887.
It is an arithmetic number, because the mean of its divisors is an integer number (3292632).
Almost surely, 230103968 is an apocalyptic number.
It is an amenable number.
30103968 is an abundant number, since it is smaller than the sum of its proper divisors (48919200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30103968 is a wasteful number, since it uses less digits than its factorization.
30103968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313596 (or 313588 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 30103968 is about 5486.7083027987. The cubic root of 30103968 is about 311.0817842348.
The spelling of 30103968 in words is "thirty million, one hundred three thousand, nine hundred sixty-eight".
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