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85387654 = 21117921683
BaseRepresentation
bin1010001011011…
…10100110000110
312221200010211201
411011232212012
5133324401104
612250053114
72054532412
oct505564606
9187603751
1085387654
1144221010
122471a19a
13148c8751
14b4a9d42
15776a0a4
hex516e986

85387654 has 16 divisors (see below), whose sum is σ = 140512320. Its totient is φ = 38593960.

The previous prime is 85387649. The next prime is 85387663. The reversal of 85387654 is 45678358.

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, 6904 + ... + 14779.

It is an arithmetic number, because the mean of its divisors is an integer number (8782020).

Almost surely, 285387654 is an apocalyptic number.

85387654 is a deficient number, since it is larger than the sum of its proper divisors (55124666).

85387654 is a wasteful number, since it uses less digits than its factorization.

85387654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21875.

The product of its digits is 806400, while the sum is 46.

The square root of 85387654 is about 9240.5440316033. The cubic root of 85387654 is about 440.3503648755.

The spelling of 85387654 in words is "eighty-five million, three hundred eighty-seven thousand, six hundred fifty-four".

Divisors: 1 2 11 22 179 358 1969 3938 21683 43366 238513 477026 3881257 7762514 42693827 85387654