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85079 = 149571
BaseRepresentation
bin10100110001010111
311022201002
4110301113
510210304
61453515
7503021
oct246127
9138632
1085079
1158a15
124129b
132c957
1423011
151a31e
hex14c57

85079 has 4 divisors (see below), whose sum is σ = 85800. Its totient is φ = 84360.

The previous prime is 85061. The next prime is 85081. The reversal of 85079 is 97058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 85079 - 216 = 19543 is a prime.

It is a pancake number, because a pancake can be divided into 85079 parts by 412 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 434.

It is an arithmetic number, because the mean of its divisors is an integer number (21450).

285079 is an apocalyptic number.

85079 is a deficient number, since it is larger than the sum of its proper divisors (721).

85079 is a wasteful number, since it uses less digits than its factorization.

85079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 85079 is about 291.6830471591. The cubic root of 85079 is about 43.9819140545.

It can be divided in two parts, 850 and 79, that added together give a palindrome (929).

The spelling of 85079 in words is "eighty-five thousand, seventy-nine".

Divisors: 1 149 571 85079