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23972828 = 2211544837
BaseRepresentation
bin101101101110…
…0101111011100
31200002221112112
41123130233130
522114112303
62213453152
7410523425
oct133345734
950087475
1023972828
1112594160
1280411b8
134c74809
14328064c
1521880d8
hex16dcbdc

23972828 has 12 divisors (see below), whose sum is σ = 45766392. Its totient is φ = 10896720.

The previous prime is 23972803. The next prime is 23972833. The reversal of 23972828 is 82827932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272375 + ... + 272462.

It is an arithmetic number, because the mean of its divisors is an integer number (3813866).

Almost surely, 223972828 is an apocalyptic number.

It is an amenable number.

23972828 is a deficient number, since it is larger than the sum of its proper divisors (21793564).

23972828 is a wasteful number, since it uses less digits than its factorization.

23972828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544852 (or 544850 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 23972828 is about 4896.2054695448. The cubic root of 23972828 is about 288.3410151613.

It can be divided in two parts, 2397 and 2828, that added together give a palindrome (5225).

The spelling of 23972828 in words is "twenty-three million, nine hundred seventy-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 544837 1089674 2179348 5993207 11986414 23972828