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23938825 = 52957553
BaseRepresentation
bin101101101010…
…0011100001001
31200001012220011
41123110130021
522112020300
62213031521
7410322331
oct133243411
950035804
1023938825
1112570659
1280255a1
134c621b1
1432720c1
15217ceba
hex16d4709

23938825 has 6 divisors (see below), whose sum is σ = 29684174. Its totient is φ = 19151040.

The previous prime is 23938823. The next prime is 23938829. The reversal of 23938825 is 52883932.

It can be written as a sum of positive squares in 3 ways, for example, as 6071296 + 17867529 = 2464^2 + 4227^2 .

It is not a de Polignac number, because 23938825 - 21 = 23938823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23938823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478752 + ... + 478801.

Almost surely, 223938825 is an apocalyptic number.

23938825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23938825 is a deficient number, since it is larger than the sum of its proper divisors (5745349).

23938825 is an equidigital number, since it uses as much as digits as its factorization.

23938825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957563 (or 957558 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 23938825 is about 4892.7318544960. The cubic root of 23938825 is about 288.2046232605.

The spelling of 23938825 in words is "twenty-three million, nine hundred thirty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 957553 4787765 23938825