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23964065 = 519724329
BaseRepresentation
bin101101101101…
…0100110100001
31200002111111222
41123122212201
522113322230
62213344425
7410456036
oct133324641
950074458
1023964065
1112588614
128038115
134c70828
14327b38d
1521856e5
hex16da9a1

23964065 has 8 divisors (see below), whose sum is σ = 28904040. Its totient is φ = 19073152.

The previous prime is 23964053. The next prime is 23964071. The reversal of 23964065 is 56046932.

It can be written as a sum of positive squares in 4 ways, for example, as 12559936 + 11404129 = 3544^2 + 3377^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23964065 - 26 = 23964001 is a prime.

It is a super-2 number, since 2×239640652 = 1148552822648450, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11180 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (3613005).

Almost surely, 223964065 is an apocalyptic number.

It is an amenable number.

23964065 is a deficient number, since it is larger than the sum of its proper divisors (4939975).

23964065 is a wasteful number, since it uses less digits than its factorization.

23964065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24531.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 23964065 is about 4895.3105110912. The cubic root of 23964065 is about 288.3058775985.

The spelling of 23964065 in words is "twenty-three million, nine hundred sixty-four thousand, sixty-five".

Divisors: 1 5 197 985 24329 121645 4792813 23964065