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72088852 = 221113711959
BaseRepresentation
bin1000100101111…
…11110100010100
312000122111022111
410102333310110
5121423320402
611053040404
71533513403
oct422776424
9160574274
1072088852
1137768470
1220186104
1311c20534
14980763a
1564de9d7
hex44bfd14

72088852 has 24 divisors (see below), whose sum is σ = 138640320. Its totient is φ = 32525760.

The previous prime is 72088837. The next prime is 72088859. The reversal of 72088852 is 25888027.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72088859) 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, 49 + ... + 12007.

It is an arithmetic number, because the mean of its divisors is an integer number (5776680).

Almost surely, 272088852 is an apocalyptic number.

It is an amenable number.

72088852 is a deficient number, since it is larger than the sum of its proper divisors (66551468).

72088852 is a wasteful number, since it uses less digits than its factorization.

72088852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111 (or 12109 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 72088852 is about 8490.5154142726. The cubic root of 72088852 is about 416.1878235308.

The spelling of 72088852 in words is "seventy-two million, eighty-eight thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 22 44 137 274 548 1507 3014 6028 11959 23918 47836 131549 263098 526196 1638383 3276766 6553532 18022213 36044426 72088852