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23934320 = 245299179
BaseRepresentation
bin101101101001…
…1010101110000
31200000222201022
41123103111300
522111344240
62212555012
7410303234
oct133232560
950028638
1023934320
1112568233
128022a68
134c60127
1432705c4
15217b9b5
hex16d3570

23934320 has 20 divisors (see below), whose sum is σ = 55647480. Its totient is φ = 9573696.

The previous prime is 23934307. The next prime is 23934331. The reversal of 23934320 is 2343932.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 23934320.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 149510 + ... + 149669.

It is an arithmetic number, because the mean of its divisors is an integer number (2782374).

Almost surely, 223934320 is an apocalyptic number.

23934320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23934320 is an abundant number, since it is smaller than the sum of its proper divisors (31713160).

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

23934320 is a wasteful number, since it uses less digits than its factorization.

23934320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299192 (or 299186 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 23934320 is about 4892.2714560825. The cubic root of 23934320 is about 288.1865432409.

The spelling of 23934320 in words is "twenty-three million, nine hundred thirty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 299179 598358 1196716 1495895 2393432 2991790 4786864 5983580 11967160 23934320