Base | Representation |
---|---|
bin | 111001100001… |
… | …0000100010000 |
3 | 2002202000220202 |
4 | 1303002010100 |
5 | 30204430044 |
6 | 2554154332 |
7 | 514212344 |
oct | 163020420 |
9 | 62660822 |
10 | 30155024 |
11 | 16026a09 |
12 | a1229a8 |
13 | 632a713 |
14 | 400d624 |
15 | 29a9c4e |
hex | 1cc2110 |
30155024 has 20 divisors (see below), whose sum is σ = 60966336. Its totient is φ = 14421792.
The previous prime is 30155017. The next prime is 30155053. The reversal of 30155024 is 42055103.
It is a junction number, because it is equal to n+sod(n) for n = 30154987 and 30155005.
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, 40604 + ... + 41339.
Almost surely, 230155024 is an apocalyptic number.
It is an amenable number.
30155024 is an abundant number, since it is smaller than the sum of its proper divisors (30811312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30155024 is a wasteful number, since it uses less digits than its factorization.
30155024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81974 (or 81968 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 30155024 is about 5491.3590303312. The cubic root of 30155024 is about 311.2575486737.
The spelling of 30155024 in words is "thirty million, one hundred fifty-five thousand, twenty-four".
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