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85874058 = 23218792539
BaseRepresentation
bin1010001111001…
…01010110001010
312222120212001200
411013211112022
5133440432213
612304325030
72061626454
oct507452612
9188525050
1085874058
11445234a6
1224913776
1314a38c6a
14b5952d4
157814273
hex51e558a

85874058 has 24 divisors (see below), whose sum is σ = 186232800. Its totient is φ = 28598184.

The previous prime is 85874051. The next prime is 85874059. The reversal of 85874058 is 85047858.

It is not an unprimeable number, because it can be changed into a prime (85874051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 32553 + ... + 35091.

It is an arithmetic number, because the mean of its divisors is an integer number (7759700).

Almost surely, 285874058 is an apocalyptic number.

85874058 is an abundant number, since it is smaller than the sum of its proper divisors (100358742).

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

85874058 is a wasteful number, since it uses less digits than its factorization.

85874058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 85874058 is about 9266.8256700987. The cubic root of 85874058 is about 441.1849225236.

The spelling of 85874058 in words is "eighty-five million, eight hundred seventy-four thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 1879 2539 3758 5078 5637 7617 11274 15234 16911 22851 33822 45702 4770781 9541562 14312343 28624686 42937029 85874058