Base | Representation |
---|---|
bin | 111010111110… |
… | …1100100110010 |
3 | 2011012001110110 |
4 | 1311331210302 |
5 | 30404014213 |
6 | 3022442150 |
7 | 523561455 |
oct | 165754462 |
9 | 64161413 |
10 | 30923058 |
11 | 16500a51 |
12 | a433356 |
13 | 653918a |
14 | 416d49c |
15 | 2aac5c3 |
hex | 1d7d932 |
30923058 has 32 divisors (see below), whose sum is σ = 64276992. Its totient is φ = 9917520.
The previous prime is 30923047. The next prime is 30923059. The reversal of 30923058 is 85032903.
It is a happy number.
It is a super-3 number, since 3×309230583 (a number of 23 digits) contains 333 as substring.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30923059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178660 + ... + 178832.
It is an arithmetic number, because the mean of its divisors is an integer number (2008656).
Almost surely, 230923058 is an apocalyptic number.
30923058 is an abundant number, since it is smaller than the sum of its proper divisors (33353934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30923058 is an equidigital number, since it uses as much as digits as its factorization.
30923058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271 (or 209 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 30923058 is about 5560.8504745228. The cubic root of 30923058 is about 313.8779530282.
The spelling of 30923058 in words is "thirty million, nine hundred twenty-three thousand, fifty-eight".
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