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85214658 = 2319747497
BaseRepresentation
bin1010001010001…
…00010111000010
312221100100112110
411011010113002
5133303332113
612242240150
72053212144
oct505042702
9187310473
1085214658
1144113041
1224656056
1314867a99
14b462c94
157733bc3
hex51445c2

85214658 has 16 divisors (see below), whose sum is σ = 179399520. Its totient is φ = 26909856.

The previous prime is 85214653. The next prime is 85214669. The reversal of 85214658 is 85641258.

It is not an unprimeable number, because it can be changed into a prime (85214651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373635 + ... + 373862.

It is an arithmetic number, because the mean of its divisors is an integer number (11212470).

Almost surely, 285214658 is an apocalyptic number.

85214658 is an abundant number, since it is smaller than the sum of its proper divisors (94184862).

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

85214658 is a wasteful number, since it uses less digits than its factorization.

85214658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747521.

The product of its digits is 76800, while the sum is 39.

The square root of 85214658 is about 9231.1785813080. The cubic root of 85214658 is about 440.0527794813.

The spelling of 85214658 in words is "eighty-five million, two hundred fourteen thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 747497 1494994 2242491 4484982 14202443 28404886 42607329 85214658