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85385464 = 2347227089
BaseRepresentation
bin1010001011011…
…10000011111000
312221200000211121
411011232003320
5133324313324
612250035024
72054523133
oct505560370
9187600747
1085385464
114421a3aa
1224718a74
13148c7758
14b4a921a
1577695e4
hex516e0f8

85385464 has 16 divisors (see below), whose sum is σ = 163504800. Its totient is φ = 41784192.

The previous prime is 85385429. The next prime is 85385473. The reversal of 85385464 is 46458358.

It is a self number, because there is not a number n which added to its sum of digits gives 85385464.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113169 + ... + 113920.

It is an arithmetic number, because the mean of its divisors is an integer number (10219050).

Almost surely, 285385464 is an apocalyptic number.

It is an amenable number.

85385464 is a deficient number, since it is larger than the sum of its proper divisors (78119336).

85385464 is a wasteful number, since it uses less digits than its factorization.

85385464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227142 (or 227138 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 85385464 is about 9240.4255313270. The cubic root of 85385464 is about 440.3466001800.

It can be divided in two parts, 85385 and 464, that added together give a square (85849 = 2932).

The spelling of 85385464 in words is "eighty-five million, three hundred eighty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 47 94 188 376 227089 454178 908356 1816712 10673183 21346366 42692732 85385464