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85054866 = 23134723201
BaseRepresentation
bin1010001000111…
…01010110010010
312221001020100020
411010131112102
5133233223431
612235004310
72051645241
oct504352622
9187036306
1085054866
1144013a86
1224599696
1314810130
14b420958
157701696
hex511d592

85054866 has 32 divisors (see below), whose sum is σ = 187100928. Its totient is φ = 25612800.

The previous prime is 85054861. The next prime is 85054889. The reversal of 85054866 is 66845058.

It is not an unprimeable number, because it can be changed into a prime (85054861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7935 + ... + 15266.

It is an arithmetic number, because the mean of its divisors is an integer number (5846904).

Almost surely, 285054866 is an apocalyptic number.

85054866 is an abundant number, since it is smaller than the sum of its proper divisors (102046062).

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

85054866 is a wasteful number, since it uses less digits than its factorization.

85054866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23266.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 85054866 is about 9222.5195039100. The cubic root of 85054866 is about 439.7775494004. Note that the first 3 decimals are identical.

The spelling of 85054866 in words is "eighty-five million, fifty-four thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 611 1222 1833 3666 23201 46402 69603 139206 301613 603226 904839 1090447 1809678 2180894 3271341 6542682 14175811 28351622 42527433 85054866