Base | Representation |
---|---|
bin | 111010000101… |
… | …1010101010100 |
3 | 2010022021120120 |
4 | 1310023111110 |
5 | 30244030444 |
6 | 3004431540 |
7 | 516602310 |
oct | 164132524 |
9 | 63267516 |
10 | 30455124 |
11 | 16211427 |
12 | a2485b0 |
13 | 64041ab |
14 | 408ab40 |
15 | 2a18b19 |
hex | 1d0b554 |
30455124 has 24 divisors (see below), whose sum is σ = 81213888. Its totient is φ = 8701440.
The previous prime is 30455123. The next prime is 30455147. The reversal of 30455124 is 42155403.
It is a junction number, because it is equal to n+sod(n) for n = 30455094 and 30455103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30455123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181197 + ... + 181364.
It is an arithmetic number, because the mean of its divisors is an integer number (3383912).
Almost surely, 230455124 is an apocalyptic number.
It is an amenable number.
30455124 is an abundant number, since it is smaller than the sum of its proper divisors (50758764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30455124 is a wasteful number, since it uses less digits than its factorization.
30455124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362575 (or 362573 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 30455124 is about 5518.6161308792. The cubic root of 30455124 is about 312.2866776659.
The spelling of 30455124 in words is "thirty million, four hundred fifty-five thousand, one hundred twenty-four".
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