Base | Representation |
---|---|
bin | 111010111110… |
… | …1101110010100 |
3 | 2011012002022001 |
4 | 1311331232110 |
5 | 30404024133 |
6 | 3022445044 |
7 | 523563316 |
oct | 165755624 |
9 | 64162261 |
10 | 30923668 |
11 | 16501456 |
12 | a433784 |
13 | 6539539 |
14 | 416d7b6 |
15 | 2aac87d |
hex | 1d7db94 |
30923668 has 6 divisors (see below), whose sum is σ = 54116426. Its totient is φ = 15461832.
The previous prime is 30923653. The next prime is 30923687. The reversal of 30923668 is 86632903.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 21511044 + 9412624 = 4638^2 + 3068^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3865455 + ... + 3865462.
Almost surely, 230923668 is an apocalyptic number.
It is an amenable number.
30923668 is a deficient number, since it is larger than the sum of its proper divisors (23192758).
30923668 is a wasteful number, since it uses less digits than its factorization.
30923668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7730921 (or 7730919 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 37.
The square root of 30923668 is about 5560.9053219777. The cubic root of 30923668 is about 313.8800169065.
The spelling of 30923668 in words is "thirty million, nine hundred twenty-three thousand, six hundred sixty-eight".
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