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72263086 = 2723322153
BaseRepresentation
bin1000100111010…
…10010110101110
312000222100022121
410103222112232
5121444404321
611100503154
71535140360
oct423522656
9160870277
1072263086
1137877365
122024aaba
1311c8192c
149850d30
156526441
hex44ea5ae

72263086 has 16 divisors (see below), whose sum is σ = 124416864. Its totient is φ = 30835584.

The previous prime is 72263083. The next prime is 72263119. The reversal of 72263086 is 68036227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72263083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815 + ... + 14338.

It is an arithmetic number, because the mean of its divisors is an integer number (7776054).

Almost surely, 272263086 is an apocalyptic number.

72263086 is a deficient number, since it is larger than the sum of its proper divisors (52153778).

72263086 is a wasteful number, since it uses less digits than its factorization.

72263086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 72263086 is about 8500.7697298539. The cubic root of 72263086 is about 416.5228532660.

The spelling of 72263086 in words is "seventy-two million, two hundred sixty-three thousand, eighty-six".

Divisors: 1 2 7 14 233 466 1631 3262 22153 44306 155071 310142 5161649 10323298 36131543 72263086