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23972037 = 376910391
BaseRepresentation
bin101101101110…
…0100011000101
31200002220110020
41123130203011
522114101122
62213445353
7410521215
oct133344305
950086406
1023972037
1112593601
128040859
134c7434b
143280245
152187c5c
hex16dc8c5

23972037 has 8 divisors (see below), whose sum is σ = 32007360. Its totient is φ = 15959040.

The previous prime is 23972033. The next prime is 23972063. The reversal of 23972037 is 73027932.

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

It is not a de Polignac number, because 23972037 - 22 = 23972033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23971989 and 23972007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23972033) by changing a digit.

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, 2889 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (4000920).

Almost surely, 223972037 is an apocalyptic number.

It is an amenable number.

23972037 is a deficient number, since it is larger than the sum of its proper divisors (8035323).

23972037 is a wasteful number, since it uses less digits than its factorization.

23972037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 23972037 is about 4896.1246920396. The cubic root of 23972037 is about 288.3378437895.

Adding to 23972037 its reverse (73027932), we get a palindrome (96999969).

The spelling of 23972037 in words is "twenty-three million, nine hundred seventy-two thousand, thirty-seven".

Divisors: 1 3 769 2307 10391 31173 7990679 23972037