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72352852 = 221113126491
BaseRepresentation
bin1000101000000…
…00010001010100
312001010220110021
410110000101110
5122010242402
611102434524
71535663155
oct424002124
9161126407
1072352852
1137928850
1220292a44
1311cb3750
14987592c
156542d37
hex4500454

72352852 has 24 divisors (see below), whose sum is σ = 148754592. Its totient is φ = 30357600.

The previous prime is 72352837. The next prime is 72352873. The reversal of 72352852 is 25825327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62674 + ... + 63817.

It is an arithmetic number, because the mean of its divisors is an integer number (6198108).

Almost surely, 272352852 is an apocalyptic number.

It is an amenable number.

72352852 is an abundant number, since it is smaller than the sum of its proper divisors (76401740).

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

72352852 is a wasteful number, since it uses less digits than its factorization.

72352852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126519 (or 126517 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 72352852 is about 8506.0479660063. The cubic root of 72352852 is about 416.6952516567.

The spelling of 72352852 in words is "seventy-two million, three hundred fifty-two thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 126491 252982 505964 1391401 1644383 2782802 3288766 5565604 6577532 18088213 36176426 72352852