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23165930 = 252316593
BaseRepresentation
bin101100001011…
…1101111101010
31121120221200102
41120113233222
521412302210
62144305402
7400623104
oct130275752
947527612
1023165930
11120929a7
127912262
134a51468
143110574
152078ea5
hex1617bea

23165930 has 8 divisors (see below), whose sum is σ = 41698692. Its totient is φ = 9266368.

The previous prime is 23165927. The next prime is 23165939. The reversal of 23165930 is 3956132.

It can be written as a sum of positive squares in 2 ways, for example, as 23164969 + 961 = 4813^2 + 31^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23165893 and 23165902.

It is not an unprimeable number, because it can be changed into a prime (23165939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158287 + ... + 1158306.

Almost surely, 223165930 is an apocalyptic number.

23165930 is a deficient number, since it is larger than the sum of its proper divisors (18532762).

23165930 is a wasteful number, since it uses less digits than its factorization.

23165930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316600.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 23165930 is about 4813.0998327481. The cubic root of 23165930 is about 285.0689481282.

The spelling of 23165930 in words is "twenty-three million, one hundred sixty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 2316593 4633186 11582965 23165930