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23029065 = 325511757
BaseRepresentation
bin101011111011…
…0010101001001
31121022222221100
41113312111021
521343412230
62141332013
7366513063
oct127662511
947288840
1023029065
1111aaa094
127867009
134a04087
1430b6733
15204d660
hex15f6549

23029065 has 12 divisors (see below), whose sum is σ = 39917124. Its totient is φ = 12282144.

The previous prime is 23029031. The next prime is 23029073. The reversal of 23029065 is 56092032.

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 17665209 = 2316^2 + 4203^2 .

It is not a de Polignac number, because 23029065 - 27 = 23028937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255834 + ... + 255923.

It is an arithmetic number, because the mean of its divisors is an integer number (3326427).

Almost surely, 223029065 is an apocalyptic number.

It is an amenable number.

23029065 is a deficient number, since it is larger than the sum of its proper divisors (16888059).

23029065 is a wasteful number, since it uses less digits than its factorization.

23029065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511768 (or 511765 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23029065 is about 4798.8608023155. The cubic root of 23029065 is about 284.5064403046.

The spelling of 23029065 in words is "twenty-three million, twenty-nine thousand, sixty-five".

Divisors: 1 3 5 9 15 45 511757 1535271 2558785 4605813 7676355 23029065