Search a number
-
+
23656768 = 26369637
BaseRepresentation
bin101101000111…
…1100101000000
31122111212222121
41122033211000
522024004033
62203014024
7405036112
oct132174500
948455877
1023656768
1112398753
127b0a314
134b939b5
1431db3b2
15212462d
hex168f940

23656768 has 14 divisors (see below), whose sum is σ = 46944026. Its totient is φ = 11828352.

The previous prime is 23656753. The next prime is 23656769. The reversal of 23656768 is 86765632.

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 153664 = 4848^2 + 392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23656769) 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 as a sum of consecutive naturals, namely, 184755 + ... + 184882.

Almost surely, 223656768 is an apocalyptic number.

It is an amenable number.

23656768 is a deficient number, since it is larger than the sum of its proper divisors (23287258).

23656768 is an equidigital number, since it uses as much as digits as its factorization.

23656768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369649 (or 369639 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 23656768 is about 4863.8223651774. The cubic root of 23656768 is about 287.0682335629.

The spelling of 23656768 in words is "twenty-three million, six hundred fifty-six thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 369637 739274 1478548 2957096 5914192 11828384 23656768