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85734761 = 725333013
BaseRepresentation
bin1010001110000…
…11010101101001
312222022202222112
411013003111221
5133422003021
612301332105
72060506400
oct507032551
9188282875
1085734761
1144438882
1224867035
13149ba738
14b55a637
1577d7d5b
hex51c3569

85734761 has 12 divisors (see below), whose sum is σ = 101617092. Its totient is φ = 72098208.

The previous prime is 85734697. The next prime is 85734763. The reversal of 85734761 is 16743758.

It can be written as a sum of positive squares in 2 ways, for example, as 37515625 + 48219136 = 6125^2 + 6944^2 .

It is not a de Polignac number, because 85734761 - 26 = 85734697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85734763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13910 + ... + 19103.

It is an arithmetic number, because the mean of its divisors is an integer number (8468091).

Almost surely, 285734761 is an apocalyptic number.

It is an amenable number.

85734761 is a deficient number, since it is larger than the sum of its proper divisors (15882331).

85734761 is a wasteful number, since it uses less digits than its factorization.

85734761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33080 (or 33073 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 85734761 is about 9259.3067235080. The cubic root of 85734761 is about 440.9462435525.

The spelling of 85734761 in words is "eighty-five million, seven hundred thirty-four thousand, seven hundred sixty-one".

Divisors: 1 7 49 53 371 2597 33013 231091 1617637 1749689 12247823 85734761