Search a number
-
+
23690928 = 2431729033
BaseRepresentation
bin101101001011…
…1111010110000
31122120121211210
41122113322300
522031102203
62203440120
7405240522
oct132277260
948517753
1023690928
1112411388
127b26040
134ba6401
143209a12
15212e803
hex1697eb0

23690928 has 40 divisors (see below), whose sum is σ = 64803888. Its totient is φ = 7432192.

The previous prime is 23690923. The next prime is 23690959. The reversal of 23690928 is 82909632.

It is a super-2 number, since 2×236909282 = 1122520139002368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23690921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13701 + ... + 15332.

Almost surely, 223690928 is an apocalyptic number.

It is an amenable number.

23690928 is an abundant number, since it is smaller than the sum of its proper divisors (41112960).

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

23690928 is a wasteful number, since it uses less digits than its factorization.

23690928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29061 (or 29055 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 23690928 is about 4867.3327398073. The cubic root of 23690928 is about 287.2063411102.

The spelling of 23690928 in words is "twenty-three million, six hundred ninety thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 29033 58066 87099 116132 174198 232264 348396 464528 493561 696792 987122 1393584 1480683 1974244 2961366 3948488 5922732 7896976 11845464 23690928