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85019 = 1159131
BaseRepresentation
bin10100110000011011
311022121212
4110300123
510210034
61453335
7502604
oct246033
9138555
1085019
1158970
124124b
132c90c
1422dab
151a2ce
hex14c1b

85019 has 8 divisors (see below), whose sum is σ = 95040. Its totient is φ = 75400.

The previous prime is 85009. The next prime is 85021. The reversal of 85019 is 91058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85019 - 212 = 80923 is a prime.

It is a super-2 number, since 2×850192 = 14456460722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84985 and 85003.

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 7 ways as a sum of consecutive naturals, for example, 584 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (11880).

285019 is an apocalyptic number.

85019 is a deficient number, since it is larger than the sum of its proper divisors (10021).

85019 is a wasteful number, since it uses less digits than its factorization.

85019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 85019 is about 291.5801776527. The cubic root of 85019 is about 43.9715725467.

The spelling of 85019 in words is "eighty-five thousand, nineteen".

Divisors: 1 11 59 131 649 1441 7729 85019