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85464732 = 2237122061
BaseRepresentation
bin1010001100000…
…01011010011100
312221211001120110
411012001122130
5133334332412
612251450020
72055303213
oct506013234
9187731513
1085464732
1144273a11
1224756910
1314924862
14b4ca07a
157782d3c
hex518169c

85464732 has 12 divisors (see below), whose sum is σ = 199417736. Its totient is φ = 28488240.

The previous prime is 85464719. The next prime is 85464733. The reversal of 85464732 is 23746458.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85464733) by changing a digit.

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, 3561019 + ... + 3561042.

Almost surely, 285464732 is an apocalyptic number.

It is an amenable number.

85464732 is an abundant number, since it is smaller than the sum of its proper divisors (113953004).

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

85464732 is a wasteful number, since it uses less digits than its factorization.

85464732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122068 (or 7122066 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 85464732 is about 9244.7137327232. The cubic root of 85464732 is about 440.4828239848.

The spelling of 85464732 in words is "eighty-five million, four hundred sixty-four thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 7122061 14244122 21366183 28488244 42732366 85464732