Base | Representation |
---|---|
bin | 111010101110… |
… | …0110100110010 |
3 | 2010221020110011 |
4 | 1311130310302 |
5 | 30340221124 |
6 | 3015525134 |
7 | 522462412 |
oct | 165346462 |
9 | 63836404 |
10 | 30788914 |
11 | 1641a192 |
12 | a3897aa |
13 | 64c00c0 |
14 | 4136642 |
15 | 2a82994 |
hex | 1d5cd32 |
30788914 has 16 divisors (see below), whose sum is σ = 50581440. Its totient is φ = 13968720.
The previous prime is 30788897. The next prime is 30788939. The reversal of 30788914 is 41988703.
30788914 = T1237 + T1238 + ... + T1275.
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, 8502 + ... + 11569.
It is an arithmetic number, because the mean of its divisors is an integer number (3161340).
Almost surely, 230788914 is an apocalyptic number.
30788914 is a deficient number, since it is larger than the sum of its proper divisors (19792526).
30788914 is a wasteful number, since it uses less digits than its factorization.
30788914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20145.
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 30788914 is about 5548.7759010434. The cubic root of 30788914 is about 313.4234283949.
The spelling of 30788914 in words is "thirty million, seven hundred eighty-eight thousand, nine hundred fourteen".
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