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23425679 = 67349637
BaseRepresentation
bin101100101011…
…1001010001111
31122002010222202
41121113022033
521444110204
62154032115
7403054304
oct131271217
948063882
1023425679
1112250072
127a1863b
134b12764
14317b0ab
1520cae1e
hex165728f

23425679 has 4 divisors (see below), whose sum is σ = 23775384. Its totient is φ = 23075976.

The previous prime is 23425667. The next prime is 23425681. The reversal of 23425679 is 97652432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23425679 - 24 = 23425663 is a prime.

It is a super-2 number, since 2×234256792 = 1097524873222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174752 + ... + 174885.

It is an arithmetic number, because the mean of its divisors is an integer number (5943846).

Almost surely, 223425679 is an apocalyptic number.

23425679 is a deficient number, since it is larger than the sum of its proper divisors (349705).

23425679 is an equidigital number, since it uses as much as digits as its factorization.

23425679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349704.

The product of its digits is 90720, while the sum is 38.

The square root of 23425679 is about 4840.0081611501. The cubic root of 23425679 is about 286.1304399533.

The spelling of 23425679 in words is "twenty-three million, four hundred twenty-five thousand, six hundred seventy-nine".

Divisors: 1 67 349637 23425679