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85839710 = 25112971379
BaseRepresentation
bin1010001110111…
…00111101011110
312222112002221112
411013130331132
5133433332320
612303502022
72061424355
oct507347536
9188462845
1085839710
11444aa710
12248b7912
1314a26438
14b58699c
157808ec5
hex51dcf5e

85839710 has 64 divisors (see below), whose sum is σ = 177292800. Its totient is φ = 29635200.

The previous prime is 85839707. The next prime is 85839727. The reversal of 85839710 is 1793858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226301 + ... + 226679.

It is an arithmetic number, because the mean of its divisors is an integer number (2770200).

Almost surely, 285839710 is an apocalyptic number.

85839710 is an abundant number, since it is smaller than the sum of its proper divisors (91453090).

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

85839710 is a wasteful number, since it uses less digits than its factorization.

85839710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 85839710 is about 9264.9722071898. The cubic root of 85839710 is about 441.1260928027.

The spelling of 85839710 in words is "eighty-five million, eight hundred thirty-nine thousand, seven hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 71 110 142 145 290 319 355 379 638 710 758 781 1562 1595 1895 2059 3190 3790 3905 4118 4169 7810 8338 10295 10991 20590 20845 21982 22649 26909 41690 45298 53818 54955 109910 113245 120901 134545 226490 241802 269090 295999 591998 604505 780361 1209010 1479995 1560722 2959990 3901805 7803610 8583971 17167942 42919855 85839710