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23980768 = 257107057
BaseRepresentation
bin101101101111…
…0101011100000
31200010100102121
41123132223200
522114341033
62213554024
7410555530
oct133365340
950110377
1023980768
111259a119
128045914
134c78306
1432834c0
15218a62d
hex16deae0

23980768 has 24 divisors (see below), whose sum is σ = 53957232. Its totient is φ = 10277376.

The previous prime is 23980757. The next prime is 23980771. The reversal of 23980768 is 86708932.

It is a congruent 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, 53305 + ... + 53752.

It is an arithmetic number, because the mean of its divisors is an integer number (2248218).

Almost surely, 223980768 is an apocalyptic number.

23980768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23980768 is an abundant number, since it is smaller than the sum of its proper divisors (29976464).

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

23980768 is a wasteful number, since it uses less digits than its factorization.

23980768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107074 (or 107066 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 23980768 is about 4897.0162344023. The cubic root of 23980768 is about 288.3728452948.

The spelling of 23980768 in words is "twenty-three million, nine hundred eighty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 107057 214114 428228 749399 856456 1498798 1712912 2997596 3425824 5995192 11990384 23980768