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23713920 = 2732523179
BaseRepresentation
bin101101001110…
…1100010000000
31122121210101100
41122131202000
522032321140
62204134400
7405364536
oct132354200
948553340
1023713920
111242768a
127b37400
134bb3a09
143214156
152136530
hex169d880

23713920 has 192 divisors, whose sum is σ = 85924800. Its totient is φ = 6014976.

The previous prime is 23713889. The next prime is 23713951. The reversal of 23713920 is 2931732.

It is an interprime number because it is at equal distance from previous prime (23713889) and next prime (23713951).

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132391 + ... + 132569.

It is an arithmetic number, because the mean of its divisors is an integer number (447525).

Almost surely, 223713920 is an apocalyptic number.

23713920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23713920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42962400).

23713920 is an abundant number, since it is smaller than the sum of its proper divisors (62210880).

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

23713920 is a wasteful number, since it uses less digits than its factorization.

23713920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23713920 is about 4869.6940355632. The cubic root of 23713920 is about 287.2992221367.

The spelling of 23713920 in words is "twenty-three million, seven hundred thirteen thousand, nine hundred twenty".