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85869318 = 2331509907
BaseRepresentation
bin1010001111001…
…00001100000110
312222120121120010
411013210030012
5133440304233
612304251050
72061606603
oct507441406
9188517503
1085869318
114451a987
1224910a86
1314a36a62
14b5936aa
157812b63
hex51e4306

85869318 has 32 divisors (see below), whose sum is σ = 177822720. Its totient is φ = 27614880.

The previous prime is 85869283. The next prime is 85869353. The reversal of 85869318 is 81396858.

It is an interprime number because it is at equal distance from previous prime (85869283) and next prime (85869353).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94221 + ... + 95127.

It is an arithmetic number, because the mean of its divisors is an integer number (5556960).

Almost surely, 285869318 is an apocalyptic number.

85869318 is an abundant number, since it is smaller than the sum of its proper divisors (91953402).

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

85869318 is a wasteful number, since it uses less digits than its factorization.

85869318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 414720, while the sum is 48.

The square root of 85869318 is about 9266.5699155621. The cubic root of 85869318 is about 441.1768049963.

The spelling of 85869318 in words is "eighty-five million, eight hundred sixty-nine thousand, three hundred eighteen".

Divisors: 1 2 3 6 31 62 93 186 509 907 1018 1527 1814 2721 3054 5442 15779 28117 31558 47337 56234 84351 94674 168702 461663 923326 1384989 2769978 14311553 28623106 42934659 85869318