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85872842 = 2117949409
BaseRepresentation
bin1010001111001…
…01000011001010
312222120210101122
411013211003022
5133440412332
612304315242
72061623066
oct507450312
9188523348
1085872842
11445225a0
1224912b22
1314a38543
14b594aa6
157813c12
hex51e50ca

85872842 has 16 divisors (see below), whose sum is σ = 142300800. Its totient is φ = 38538240.

The previous prime is 85872827. The next prime is 85872859. The reversal of 85872842 is 24827858.

It is a junction number, because it is equal to n+sod(n) for n = 85872793 and 85872802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22967 + ... + 26442.

It is an arithmetic number, because the mean of its divisors is an integer number (8893800).

Almost surely, 285872842 is an apocalyptic number.

85872842 is a deficient number, since it is larger than the sum of its proper divisors (56427958).

85872842 is a wasteful number, since it uses less digits than its factorization.

85872842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49501.

The product of its digits is 286720, while the sum is 44.

The square root of 85872842 is about 9266.7600594814. The cubic root of 85872842 is about 441.1828400809.

The spelling of 85872842 in words is "eighty-five million, eight hundred seventy-two thousand, eight hundred forty-two".

Divisors: 1 2 11 22 79 158 869 1738 49409 98818 543499 1086998 3903311 7806622 42936421 85872842