Base | Representation |
---|---|
bin | 101011111110… |
… | …1000010010010 |
3 | 1121101101121120 |
4 | 1113331002102 |
5 | 21400302110 |
6 | 2142103110 |
7 | 366656130 |
oct | 127750222 |
9 | 47341546 |
10 | 23056530 |
11 | 12018792 |
12 | 787aa96 |
13 | 4a13723 |
14 | 30c2750 |
15 | 2056870 |
hex | 15fd092 |
23056530 has 32 divisors (see below), whose sum is σ = 63241344. Its totient is φ = 5270016.
The previous prime is 23056507. The next prime is 23056531. The reversal of 23056530 is 3565032.
It is a self number, because there is not a number n which added to its sum of digits gives 23056530.
It is not an unprimeable number, because it can be changed into a prime (23056531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54687 + ... + 55106.
It is an arithmetic number, because the mean of its divisors is an integer number (1976292).
Almost surely, 223056530 is an apocalyptic number.
23056530 is an abundant number, since it is smaller than the sum of its proper divisors (40184814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23056530 is a wasteful number, since it uses less digits than its factorization.
23056530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109810.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 23056530 is about 4801.7215662718. The cubic root of 23056530 is about 284.6194983766.
The spelling of 23056530 in words is "twenty-three million, fifty-six thousand, five hundred thirty".
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