Base | Representation |
---|---|
bin | 111010101001… |
… | …1111011101100 |
3 | 2010212101111012 |
4 | 1311103323230 |
5 | 30333034432 |
6 | 3015044352 |
7 | 522251261 |
oct | 165237354 |
9 | 63771435 |
10 | 30752492 |
11 | 163a4891 |
12 | a3706b8 |
13 | 64a9654 |
14 | 4127268 |
15 | 2a76cb2 |
hex | 1d53eec |
30752492 has 12 divisors (see below), whose sum is σ = 54372360. Its totient is φ = 15217536.
The previous prime is 30752489. The next prime is 30752521. The reversal of 30752492 is 29425703.
It is a happy number.
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, 39242 + ... + 40017.
It is an arithmetic number, because the mean of its divisors is an integer number (4531030).
Almost surely, 230752492 is an apocalyptic number.
It is an amenable number.
30752492 is a deficient number, since it is larger than the sum of its proper divisors (23619868).
30752492 is a wasteful number, since it uses less digits than its factorization.
30752492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79360 (or 79358 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 30752492 is about 5545.4929447255. The cubic root of 30752492 is about 313.2997906853.
The spelling of 30752492 in words is "thirty million, seven hundred fifty-two thousand, four hundred ninety-two".
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