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23680692 = 2232793971
BaseRepresentation
bin101101001010…
…1011010110100
31122120002210200
41122111122310
522030240232
62203320500
7405165630
oct132253264
948502720
1023680692
1112404722
127b20130
134ba1859
143205dc0
15212b77c
hex16956b4

23680692 has 36 divisors (see below), whose sum is σ = 68411616. Its totient is φ = 6765840.

The previous prime is 23680687. The next prime is 23680693. The reversal of 23680692 is 29608632.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23680693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46734 + ... + 47237.

Almost surely, 223680692 is an apocalyptic number.

It is an amenable number.

23680692 is an abundant number, since it is smaller than the sum of its proper divisors (44730924).

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

23680692 is a wasteful number, since it uses less digits than its factorization.

23680692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93988 (or 93983 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 23680692 is about 4866.2811262811. The cubic root of 23680692 is about 287.1649712996.

The spelling of 23680692 in words is "twenty-three million, six hundred eighty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 93971 187942 281913 375884 563826 657797 845739 1127652 1315594 1691478 1973391 2631188 3382956 3946782 5920173 7893564 11840346 23680692