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23812725 = 352317503
BaseRepresentation
bin101101011010…
…1101001110101
31122210210220210
41122311221311
522044001400
62210220033
7406255566
oct132655165
948723823
1023812725
1112494942
127b84619
134c19991
14323c16d
152155950
hex16b5a75

23812725 has 12 divisors (see below), whose sum is σ = 39370496. Its totient is φ = 12700080.

The previous prime is 23812703. The next prime is 23812729. The reversal of 23812725 is 52721832.

It is not a de Polignac number, because 23812725 - 210 = 23811701 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23812692 and 23812701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23812729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158677 + ... + 158826.

Almost surely, 223812725 is an apocalyptic number.

23812725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23812725 is a deficient number, since it is larger than the sum of its proper divisors (15557771).

23812725 is a wasteful number, since it uses less digits than its factorization.

23812725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317516 (or 317511 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 23812725 is about 4879.8283781297. The cubic root of 23812725 is about 287.6976838280.

The spelling of 23812725 in words is "twenty-three million, eight hundred twelve thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 317503 952509 1587515 4762545 7937575 23812725