Base | Representation |
---|---|
bin | 111001100101… |
… | …1001110001101 |
3 | 2002210221100200 |
4 | 1303023032031 |
5 | 30212130100 |
6 | 2555044113 |
7 | 514426566 |
oct | 163131615 |
9 | 62727320 |
10 | 30192525 |
11 | 16052100 |
12 | a140639 |
13 | 63417cc |
14 | 401d16d |
15 | 29b5e00 |
hex | 1ccb38d |
30192525 has 54 divisors (see below), whose sum is σ = 59494890. Its totient is φ = 14625600.
The previous prime is 30192521. The next prime is 30192551. The reversal of 30192525 is 52529103.
It can be written as a sum of positive squares in 3 ways, for example, as 184041 + 30008484 = 429^2 + 5478^2 .
It is not a de Polignac number, because 30192525 - 22 = 30192521 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30192521) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 26671 + ... + 27779.
Almost surely, 230192525 is an apocalyptic number.
It is an amenable number.
30192525 is a deficient number, since it is larger than the sum of its proper divisors (29302365).
30192525 is a wasteful number, since it uses less digits than its factorization.
30192525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1147 (or 1128 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 30192525 is about 5494.7725157644. The cubic root of 30192525 is about 311.3865225833.
The spelling of 30192525 in words is "thirty million, one hundred ninety-two thousand, five hundred twenty-five".
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