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85914579 = 328638193
BaseRepresentation
bin1010001111011…
…11001111010011
312222122220122110
411013233033103
5133443231304
612305240403
72062155552
oct507571723
9188586573
1085914579
1144550993
1224933103
1314a5153a
14b5a5d99
157821289
hex51ef3d3

85914579 has 4 divisors (see below), whose sum is σ = 114552776. Its totient is φ = 57276384.

The previous prime is 85914571. The next prime is 85914589. The reversal of 85914579 is 97541958.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85914579 - 23 = 85914571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85914571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14319094 + ... + 14319099.

It is an arithmetic number, because the mean of its divisors is an integer number (28638194).

Almost surely, 285914579 is an apocalyptic number.

85914579 is a deficient number, since it is larger than the sum of its proper divisors (28638197).

85914579 is a wasteful number, since it uses less digits than its factorization.

85914579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28638196.

The product of its digits is 453600, while the sum is 48.

The square root of 85914579 is about 9269.0117596214. The cubic root of 85914579 is about 441.2543049172.

The spelling of 85914579 in words is "eighty-five million, nine hundred fourteen thousand, five hundred seventy-nine".

Divisors: 1 3 28638193 85914579