Base | Representation |
---|---|
bin | 111010100101… |
… | …1101111101000 |
3 | 2010210200110222 |
4 | 1311023233220 |
5 | 30331001302 |
6 | 3014225212 |
7 | 522051425 |
oct | 165135750 |
9 | 63720428 |
10 | 30718952 |
11 | 16381670 |
12 | a355208 |
13 | 64972c4 |
14 | 4118d4c |
15 | 2a6bda2 |
hex | 1d4bbe8 |
30718952 has 16 divisors (see below), whose sum is σ = 62834400. Its totient is φ = 13963120.
The previous prime is 30718943. The next prime is 30718957. The reversal of 30718952 is 25981703.
It is not an unprimeable number, because it can be changed into a prime (30718957) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174452 + ... + 174627.
It is an arithmetic number, because the mean of its divisors is an integer number (3927150).
Almost surely, 230718952 is an apocalyptic number.
It is an amenable number.
30718952 is an abundant number, since it is smaller than the sum of its proper divisors (32115448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30718952 is a wasteful number, since it uses less digits than its factorization.
30718952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349096 (or 349092 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 30718952 is about 5542.4680423075. The cubic root of 30718952 is about 313.1858498109.
The spelling of 30718952 in words is "thirty million, seven hundred eighteen thousand, nine hundred fifty-two".
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