Base | Representation |
---|---|
bin | 111010111111… |
… | …1010000101000 |
3 | 2011012101221002 |
4 | 1311333100220 |
5 | 30404224320 |
6 | 3022534132 |
7 | 523620545 |
oct | 165772050 |
9 | 64171832 |
10 | 30929960 |
11 | 16506156 |
12 | a437348 |
13 | 653c369 |
14 | 4171bcc |
15 | 2aae675 |
hex | 1d7f428 |
30929960 has 16 divisors (see below), whose sum is σ = 69592500. Its totient is φ = 12371968.
The previous prime is 30929939. The next prime is 30929981. The reversal of 30929960 is 6992903.
It is an interprime number because it is at equal distance from previous prime (30929939) and next prime (30929981).
It can be written as a sum of positive squares in 2 ways, for example, as 30448324 + 481636 = 5518^2 + 694^2 .
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, 386585 + ... + 386664.
Almost surely, 230929960 is an apocalyptic number.
It is an amenable number.
30929960 is an abundant number, since it is smaller than the sum of its proper divisors (38662540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30929960 is a wasteful number, since it uses less digits than its factorization.
30929960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 773260 (or 773256 counting only the distinct ones).
The product of its (nonzero) digits is 26244, while the sum is 38.
The square root of 30929960 is about 5561.4710284240. The cubic root of 30929960 is about 313.9013037208.
The spelling of 30929960 in words is "thirty million, nine hundred twenty-nine thousand, nine hundred sixty".
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