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23680972 = 227845749
BaseRepresentation
bin101101001010…
…1011111001100
31122120010012001
41122111133030
522030242342
62203322044
7405166510
oct132253714
948503161
1023680972
1112404957
127b20324
134ba1a13
143206140
15212b8b7
hex16957cc

23680972 has 12 divisors (see below), whose sum is σ = 47362000. Its totient is φ = 10148976.

The previous prime is 23680967. The next prime is 23680991. The reversal of 23680972 is 27908632.

23680972 is an admirable 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, 422847 + ... + 422902.

Almost surely, 223680972 is an apocalyptic number.

It is an amenable number.

23680972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23680972 is a wasteful number, since it uses less digits than its factorization.

23680972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845760 (or 845758 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 23680972 is about 4866.3098955985. The cubic root of 23680972 is about 287.1661031060.

The spelling of 23680972 in words is "twenty-three million, six hundred eighty thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 845749 1691498 3382996 5920243 11840486 23680972