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85432710 = 23511258887
BaseRepresentation
bin1010001011110…
…01100110000110
312221202102122110
411011321212012
5133332321320
612251041450
72055110646
oct505714606
9187672573
1085432710
1144251950
1224740286
13149130cc
14b4bc526
1577785e0
hex5179986

85432710 has 32 divisors (see below), whose sum is σ = 223679232. Its totient is φ = 20710880.

The previous prime is 85432709. The next prime is 85432717. The reversal of 85432710 is 1723458.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85432717) 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 15 ways as a sum of consecutive naturals, for example, 129114 + ... + 129773.

It is an arithmetic number, because the mean of its divisors is an integer number (6989976).

Almost surely, 285432710 is an apocalyptic number.

85432710 is an abundant number, since it is smaller than the sum of its proper divisors (138246522).

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

85432710 is a wasteful number, since it uses less digits than its factorization.

85432710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258908.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85432710 is about 9242.9816617799. The cubic root of 85432710 is about 440.4278036169.

The spelling of 85432710 in words is "eighty-five million, four hundred thirty-two thousand, seven hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 258887 517774 776661 1294435 1553322 2588870 2847757 3883305 5695514 7766610 8543271 14238785 17086542 28477570 42716355 85432710