Base | Representation |
---|---|
bin | 111010100010… |
… | …1100010001000 |
3 | 2010202101120202 |
4 | 1311011202020 |
5 | 30324143022 |
6 | 3013511332 |
7 | 521614313 |
oct | 165054210 |
9 | 63671522 |
10 | 30693512 |
11 | 16364543 |
12 | a342548 |
13 | 6488855 |
14 | 410d97a |
15 | 2a64592 |
hex | 1d45888 |
30693512 has 32 divisors (see below), whose sum is σ = 61149600. Its totient is φ = 14402304.
The previous prime is 30693479. The next prime is 30693527. The reversal of 30693512 is 21539603.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16283 + ... + 18069.
It is an arithmetic number, because the mean of its divisors is an integer number (1910925).
Almost surely, 230693512 is an apocalyptic number.
It is an amenable number.
30693512 is a deficient number, since it is larger than the sum of its proper divisors (30456088).
30693512 is a wasteful number, since it uses less digits than its factorization.
30693512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1925 (or 1921 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 29.
The square root of 30693512 is about 5540.1725604894. The cubic root of 30693512 is about 313.0993706405.
The spelling of 30693512 in words is "thirty million, six hundred ninety-three thousand, five hundred twelve".
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