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72113804 = 2272575493
BaseRepresentation
bin1000100110001…
…01111010001100
312000200202112122
410103011322030
5121430120204
611053352112
71533646220
oct423057214
9160622478
1072113804
1137785194
1220198638
1311c2b9b9
149812780
1564e70be
hex44c5e8c

72113804 has 12 divisors (see below), whose sum is σ = 144227664. Its totient is φ = 30905904.

The previous prime is 72113791. The next prime is 72113831. The reversal of 72113804 is 40831127.

72113804 is an admirable 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, 1287719 + ... + 1287774.

It is an arithmetic number, because the mean of its divisors is an integer number (12018972).

Almost surely, 272113804 is an apocalyptic number.

It is an amenable number.

72113804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72113804 is a wasteful number, since it uses less digits than its factorization.

72113804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575504 (or 2575502 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 72113804 is about 8491.9846914605. The cubic root of 72113804 is about 416.2358361354.

The spelling of 72113804 in words is "seventy-two million, one hundred thirteen thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 2575493 5150986 10301972 18028451 36056902 72113804