Base | Representation |
---|---|
bin | 111010111100… |
… | …0000110011000 |
3 | 2011010220200212 |
4 | 1311320012120 |
5 | 30402310012 |
6 | 3022150252 |
7 | 523436210 |
oct | 165700630 |
9 | 64126625 |
10 | 30900632 |
11 | 16496114 |
12 | a422388 |
13 | 652bbc9 |
14 | 4165240 |
15 | 2aa5b22 |
hex | 1d78198 |
30900632 has 32 divisors (see below), whose sum is σ = 66575520. Its totient is φ = 13171200.
The previous prime is 30900607. The next prime is 30900671. The reversal of 30900632 is 23600903.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30900598 and 30900607.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9632 + ... + 12432.
It is an arithmetic number, because the mean of its divisors is an integer number (2080485).
Almost surely, 230900632 is an apocalyptic number.
It is an amenable number.
30900632 is an abundant number, since it is smaller than the sum of its proper divisors (35674888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30900632 is a wasteful number, since it uses less digits than its factorization.
30900632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3011 (or 3007 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 30900632 is about 5558.8336906225. The cubic root of 30900632 is about 313.8020578900.
The spelling of 30900632 in words is "thirty million, nine hundred thousand, six hundred thirty-two".
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