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86772432 = 2431807759
BaseRepresentation
bin1010010110000…
…00101011010000
320001021111101210
411023000223100
5134203204212
612335500120
72102360565
oct513005320
9201244353
1086772432
1144a8745a
1225087640
1314c91b46
14b74a86c
15794053c
hex52c0ad0

86772432 has 20 divisors (see below), whose sum is σ = 224162240. Its totient is φ = 28924128.

The previous prime is 86772431. The next prime is 86772443. The reversal of 86772432 is 23427768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86772431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903832 + ... + 903927.

It is an arithmetic number, because the mean of its divisors is an integer number (11208112).

Almost surely, 286772432 is an apocalyptic number.

It is an amenable number.

86772432 is an abundant number, since it is smaller than the sum of its proper divisors (137389808).

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

86772432 is a wasteful number, since it uses less digits than its factorization.

86772432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807770 (or 1807764 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 86772432 is about 9315.1721401164. The cubic root of 86772432 is about 442.7180782129.

The spelling of 86772432 in words is "eighty-six million, seven hundred seventy-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1807759 3615518 5423277 7231036 10846554 14462072 21693108 28924144 43386216 86772432