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23934940 = 2256411867
BaseRepresentation
bin101101101001…
…1011111011100
31200001000120021
41123103133130
522111404230
62213001524
7410305111
oct133233734
950030507
1023934940
1112568747
1280232a4
134c604b3
143270908
15217bc7a
hex16d37dc

23934940 has 24 divisors (see below), whose sum is σ = 50368752. Its totient is φ = 9553920.

The previous prime is 23934931. The next prime is 23934971. The reversal of 23934940 is 4943932.

It is a junction number, because it is equal to n+sod(n) for n = 23934896 and 23934905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11887 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (2098698).

Almost surely, 223934940 is an apocalyptic number.

23934940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23934940 is an abundant number, since it is smaller than the sum of its proper divisors (26433812).

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

23934940 is a wasteful number, since it uses less digits than its factorization.

23934940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 23934940 is about 4892.3348209214. The cubic root of 23934940 is about 288.1890316357.

The spelling of 23934940 in words is "twenty-three million, nine hundred thirty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 641 1282 1867 2564 3205 3734 6410 7468 9335 12820 18670 37340 1196747 2393494 4786988 5983735 11967470 23934940