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23969992 = 235356533
BaseRepresentation
bin101101101110…
…0000011001000
31200002210122111
41123130003020
522114014432
62213432104
7410512234
oct133340310
950083574
1023969992
1112592012
12803b634
134c73437
14327d5c4
152187347
hex16dc0c8

23969992 has 16 divisors (see below), whose sum is σ = 45792540. Its totient is φ = 11758656.

The previous prime is 23969971. The next prime is 23969993. The reversal of 23969992 is 29996932.

It can be written as a sum of positive squares in 2 ways, for example, as 23097636 + 872356 = 4806^2 + 934^2 .

It is not an unprimeable number, because it can be changed into a prime (23969993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27843 + ... + 28690.

Almost surely, 223969992 is an apocalyptic number.

It is an amenable number.

23969992 is a deficient number, since it is larger than the sum of its proper divisors (21822548).

23969992 is a wasteful number, since it uses less digits than its factorization.

23969992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56592 (or 56588 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The square root of 23969992 is about 4895.9158489500. The cubic root of 23969992 is about 288.3296444076.

The spelling of 23969992 in words is "twenty-three million, nine hundred sixty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 53 106 212 424 56533 113066 226132 452264 2996249 5992498 11984996 23969992