Base | Representation |
---|---|
bin | 111010101110… |
… | …0101000111000 |
3 | 2010221012101221 |
4 | 1311130220320 |
5 | 30340210102 |
6 | 3015521424 |
7 | 522460243 |
oct | 165345070 |
9 | 63835357 |
10 | 30788152 |
11 | 1641965a |
12 | a389274 |
13 | 64bc955 |
14 | 413625a |
15 | 2a82637 |
hex | 1d5ca38 |
30788152 has 16 divisors (see below), whose sum is σ = 57790440. Its totient is φ = 15377376.
The previous prime is 30788141. The next prime is 30788159. The reversal of 30788152 is 25188703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30788159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9583 + ... + 12385.
Almost surely, 230788152 is an apocalyptic number.
It is an amenable number.
30788152 is a deficient number, since it is larger than the sum of its proper divisors (27002288).
30788152 is a wasteful number, since it uses less digits than its factorization.
30788152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4182 (or 4178 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 34.
The square root of 30788152 is about 5548.7072368255. The cubic root of 30788152 is about 313.4208427172.
The spelling of 30788152 in words is "thirty million, seven hundred eighty-eight thousand, one hundred fifty-two".
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