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23725489 = 172360679
BaseRepresentation
bin101101010000…
…0010110110001
31122122101020211
41122200112301
522033203424
62204304121
7405443344
oct132402661
948571224
1023725489
1112435347
127b42041
134bb9068
14321845b
152139b94
hex16a05b1

23725489 has 8 divisors (see below), whose sum is σ = 26213760. Its totient is φ = 21358656.

The previous prime is 23725487. The next prime is 23725519. The reversal of 23725489 is 98452732.

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

It is a cyclic number.

It is not a de Polignac number, because 23725489 - 21 = 23725487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23725487) 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 7 ways as a sum of consecutive naturals, for example, 29949 + ... + 30730.

It is an arithmetic number, because the mean of its divisors is an integer number (3276720).

Almost surely, 223725489 is an apocalyptic number.

It is an amenable number.

23725489 is a deficient number, since it is larger than the sum of its proper divisors (2488271).

23725489 is a wasteful number, since it uses less digits than its factorization.

23725489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60719.

The product of its digits is 120960, while the sum is 40.

The square root of 23725489 is about 4870.8817476921. The cubic root of 23725489 is about 287.3459348458.

The spelling of 23725489 in words is "twenty-three million, seven hundred twenty-five thousand, four hundred eighty-nine".

Divisors: 1 17 23 391 60679 1031543 1395617 23725489