Base | Representation |
---|---|
bin | 111011000101… |
… | …0000110100100 |
3 | 2011021122211222 |
4 | 1312022012210 |
5 | 30412134442 |
6 | 3023515512 |
7 | 524164202 |
oct | 166120644 |
9 | 64248758 |
10 | 30974372 |
11 | 16536560 |
12 | a458b98 |
13 | 6556640 |
14 | 4184072 |
15 | 2abc8d2 |
hex | 1d8a1a4 |
30974372 has 24 divisors (see below), whose sum is σ = 63682752. Its totient is φ = 12996000.
The previous prime is 30974369. The next prime is 30974413. The reversal of 30974372 is 27347903.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26504 + ... + 27647.
It is an arithmetic number, because the mean of its divisors is an integer number (2653448).
Almost surely, 230974372 is an apocalyptic number.
It is an amenable number.
30974372 is an abundant number, since it is smaller than the sum of its proper divisors (32708380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30974372 is a wasteful number, since it uses less digits than its factorization.
30974372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54179 (or 54177 counting only the distinct ones).
The product of its (nonzero) digits is 31752, while the sum is 35.
The square root of 30974372 is about 5565.4624246328. The cubic root of 30974372 is about 314.0514743801.
The spelling of 30974372 in words is "thirty million, nine hundred seventy-four thousand, three hundred seventy-two".
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