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72861364 = 2286321107
BaseRepresentation
bin1000101011111…
…00011010110100
312002002202000001
410111330122310
5122123030424
611121401044
71543211542
oct425743264
9162082001
1072861364
1138145904
1220499184
1312131044
149968d92
1565e3844
hex457c6b4

72861364 has 12 divisors (see below), whose sum is σ = 127661184. Its totient is φ = 36386744.

The previous prime is 72861359. The next prime is 72861403. The reversal of 72861364 is 46316827.

It is a congruent 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, 7102 + ... + 14005.

It is an arithmetic number, because the mean of its divisors is an integer number (10638432).

Almost surely, 272861364 is an apocalyptic number.

It is an amenable number.

72861364 is a deficient number, since it is larger than the sum of its proper divisors (54799820).

72861364 is a wasteful number, since it uses less digits than its factorization.

72861364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21974 (or 21972 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 72861364 is about 8535.8868314897. The cubic root of 72861364 is about 417.6691826314.

The spelling of 72861364 in words is "seventy-two million, eight hundred sixty-one thousand, three hundred sixty-four".

Divisors: 1 2 4 863 1726 3452 21107 42214 84428 18215341 36430682 72861364