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23963944 = 232995493
BaseRepresentation
bin101101101101…
…0100100101000
31200002111100111
41123122210220
522113321234
62213344104
7410455504
oct133324450
950074314
1023963944
1112588514
128038034
134c70764
14327b304
152185664
hex16da928

23963944 has 8 divisors (see below), whose sum is σ = 44932410. Its totient is φ = 11981968.

The previous prime is 23963941. The next prime is 23963963. The reversal of 23963944 is 44936932.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 324900 = 4862^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×239639442 = 1148541224070272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23963897 and 23963906.

It is not an unprimeable number, because it can be changed into a prime (23963941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1497739 + ... + 1497754.

Almost surely, 223963944 is an apocalyptic number.

It is an amenable number.

23963944 is a deficient number, since it is larger than the sum of its proper divisors (20968466).

23963944 is a wasteful number, since it uses less digits than its factorization.

23963944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995499 (or 2995495 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 23963944 is about 4895.2981523090. The cubic root of 23963944 is about 288.3053923571.

The spelling of 23963944 in words is "twenty-three million, nine hundred sixty-three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 2995493 5990986 11981972 23963944