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72863796 = 2236071983
BaseRepresentation
bin1000101011111…
…01000000110100
312002002212100010
410111331000310
5122123120141
611121420220
71543221615
oct425750064
9162085303
1072863796
1138147715
122049a670
1312132195
149969c0c
1565e4416
hex457d034

72863796 has 12 divisors (see below), whose sum is σ = 170015552. Its totient is φ = 24287928.

The previous prime is 72863779. The next prime is 72863797. The reversal of 72863796 is 69736827.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72863797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035980 + ... + 3036003.

Almost surely, 272863796 is an apocalyptic number.

It is an amenable number.

72863796 is an abundant number, since it is smaller than the sum of its proper divisors (97151756).

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

72863796 is a wasteful number, since it uses less digits than its factorization.

72863796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071990 (or 6071988 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 72863796 is about 8536.0292876723. The cubic root of 72863796 is about 417.6738296309.

The spelling of 72863796 in words is "seventy-two million, eight hundred sixty-three thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 6071983 12143966 18215949 24287932 36431898 72863796