Base | Representation |
---|---|
bin | 111001011101… |
… | …0111100111100 |
3 | 2002200112221111 |
4 | 1302322330330 |
5 | 30203012014 |
6 | 2553411404 |
7 | 514031365 |
oct | 162727474 |
9 | 62615844 |
10 | 30125884 |
11 | 16007028 |
12 | a109b64 |
13 | 631a389 |
14 | 4002b6c |
15 | 29a12c4 |
hex | 1cbaf3c |
30125884 has 12 divisors (see below), whose sum is σ = 52772608. Its totient is φ = 15048000.
The previous prime is 30125873. The next prime is 30125899. The reversal of 30125884 is 48852103.
It is a congruent 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, 1669 + ... + 7939.
Almost surely, 230125884 is an apocalyptic number.
It is an amenable number.
30125884 is a deficient number, since it is larger than the sum of its proper divisors (22646724).
30125884 is a wasteful number, since it uses less digits than its factorization.
30125884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7476 (or 7474 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 30125884 is about 5488.7051296276. The cubic root of 30125884 is about 311.1572561749.
Adding to 30125884 its reverse (48852103), we get a palindrome (78977987).
The spelling of 30125884 in words is "thirty million, one hundred twenty-five thousand, eight hundred eighty-four".
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