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85017732 = 2237084811
BaseRepresentation
bin1010001000101…
…00010010000100
312220222100101220
411010110102010
5133231031412
612234120340
72051432052
oct504242204
9186870356
1085017732
1143a99098
12245800b0
13147c9267
14b4111d2
1576e568c
hex5114484

85017732 has 12 divisors (see below), whose sum is σ = 198374736. Its totient is φ = 28339240.

The previous prime is 85017727. The next prime is 85017733. The reversal of 85017732 is 23771058.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 85017693 and 85017702.

It is not an unprimeable number, because it can be changed into a prime (85017733) 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, 3542394 + ... + 3542417.

It is an arithmetic number, because the mean of its divisors is an integer number (16531228).

Almost surely, 285017732 is an apocalyptic number.

It is an amenable number.

85017732 is an abundant number, since it is smaller than the sum of its proper divisors (113357004).

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

85017732 is a wasteful number, since it uses less digits than its factorization.

85017732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084818 (or 7084816 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 85017732 is about 9220.5060598646. The cubic root of 85017732 is about 439.7135394366.

The spelling of 85017732 in words is "eighty-five million, seventeen thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 7084811 14169622 21254433 28339244 42508866 85017732