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85826 = 2133301
BaseRepresentation
bin10100111101000010
311100201202
4110331002
510221301
61501202
7505136
oct247502
9140652
1085826
1159534
1241802
13300b0
14233c6
151a66b
hex14f42

85826 has 8 divisors (see below), whose sum is σ = 138684. Its totient is φ = 39600.

The previous prime is 85819. The next prime is 85829. The reversal of 85826 is 62858.

85826 = 792 + 802 + ... + 902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75625 + 10201 = 275^2 + 101^2 .

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

It is a super-2 number, since 2×858262 = 14732204552, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85829) by changing a digit.

85826 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 1676.

285826 is an apocalyptic number.

85826 is a deficient number, since it is larger than the sum of its proper divisors (52858).

85826 is a wasteful number, since it uses less digits than its factorization.

85826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316.

The product of its digits is 3840, while the sum is 29.

The square root of 85826 is about 292.9607482241. The cubic root of 85826 is about 44.1102606545.

The spelling of 85826 in words is "eighty-five thousand, eight hundred twenty-six".

Divisors: 1 2 13 26 3301 6602 42913 85826