Base | Representation |
---|---|
bin | 111010111110… |
… | …1011110101100 |
3 | 2011012000221000 |
4 | 1311331132230 |
5 | 30404011133 |
6 | 3022440300 |
7 | 523560360 |
oct | 165753654 |
9 | 64160830 |
10 | 30922668 |
11 | 16500727 |
12 | a433090 |
13 | 6538c4a |
14 | 416d2a0 |
15 | 2aac413 |
hex | 1d7d7ac |
30922668 has 48 divisors (see below), whose sum is σ = 91624960. Its totient is φ = 8834832.
The previous prime is 30922637. The next prime is 30922673. The reversal of 30922668 is 86622903.
It is a super-2 number, since 2×309226682 = 1912422792476448, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19696 + ... + 21207.
Almost surely, 230922668 is an apocalyptic number.
It is an amenable number.
30922668 is an abundant number, since it is smaller than the sum of its proper divisors (60702292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30922668 is a wasteful number, since it uses less digits than its factorization.
30922668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40923 (or 40915 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 30922668 is about 5560.8154078336. The cubic root of 30922668 is about 313.8766334851.
The spelling of 30922668 in words is "thirty million, nine hundred twenty-two thousand, six hundred sixty-eight".
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