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72245696 = 263073677
BaseRepresentation
bin1000100111001…
…10000111000000
312000221110110112
410103212013000
5121443330241
611100250452
71535035565
oct423460700
9160843415
1072245696
1137865296
1220240a28
1311c76a43
14984886c
1565211eb
hex44e61c0

72245696 has 28 divisors (see below), whose sum is σ = 143868648. Its totient is φ = 35995392.

The previous prime is 72245689. The next prime is 72245707. The reversal of 72245696 is 69654227.

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, 17810 + ... + 21486.

It is an arithmetic number, because the mean of its divisors is an integer number (5138166).

Almost surely, 272245696 is an apocalyptic number.

It is an amenable number.

72245696 is a deficient number, since it is larger than the sum of its proper divisors (71622952).

72245696 is a wasteful number, since it uses less digits than its factorization.

72245696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3986 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 72245696 is about 8499.7468197588. The cubic root of 72245696 is about 416.4894387251.

The spelling of 72245696 in words is "seventy-two million, two hundred forty-five thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 307 614 1228 2456 3677 4912 7354 9824 14708 19648 29416 58832 117664 235328 1128839 2257678 4515356 9030712 18061424 36122848 72245696