Search a number
-
+
85285560 = 2335710713
BaseRepresentation
bin1010001010101…
…01101010111000
312221110221210110
411011111222320
5133313114220
612243544320
72053625643
oct505255270
9187427713
1085285560
1144161338
122468b0a0
1314891139
14b480a5a
157749be0
hex5155ab8

85285560 has 32 divisors (see below), whose sum is σ = 255857040. Its totient is φ = 22742784.

The previous prime is 85285559. The next prime is 85285579. The reversal of 85285560 is 6558258.

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 7 ways as a sum of consecutive naturals, for example, 355237 + ... + 355476.

Almost surely, 285285560 is an apocalyptic number.

It is an amenable number.

85285560 is an abundant number, since it is smaller than the sum of its proper divisors (170571480).

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

85285560 is a wasteful number, since it uses less digits than its factorization.

85285560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710727 (or 710723 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 85285560 is about 9235.0181375025. The cubic root of 85285560 is about 440.1747928122.

The spelling of 85285560 in words is "eighty-five million, two hundred eighty-five thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 710713 1421426 2132139 2842852 3553565 4264278 5685704 7107130 8528556 10660695 14214260 17057112 21321390 28428520 42642780 85285560