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85152432 = 2431774009
BaseRepresentation
bin1010001001101…
…01001010110000
312221020012011210
411010311022300
5133244334212
612241040120
72052532551
oct504651260
9187205153
1085152432
1144080312
1224626040
1314845671
14b448328
15772053c
hex51352b0

85152432 has 20 divisors (see below), whose sum is σ = 219977240. Its totient is φ = 28384128.

The previous prime is 85152409. The next prime is 85152451. The reversal of 85152432 is 23425158.

It is a self number, because there is not a number n which added to its sum of digits gives 85152432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886957 + ... + 887052.

It is an arithmetic number, because the mean of its divisors is an integer number (10998862).

Almost surely, 285152432 is an apocalyptic number.

It is an amenable number.

85152432 is an abundant number, since it is smaller than the sum of its proper divisors (134824808).

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

85152432 is a wasteful number, since it uses less digits than its factorization.

85152432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774020 (or 1774014 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 85152432 is about 9227.8075402557. The cubic root of 85152432 is about 439.9456406674.

The spelling of 85152432 in words is "eighty-five million, one hundred fifty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1774009 3548018 5322027 7096036 10644054 14192072 21288108 28384144 42576216 85152432