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85210 = 258521
BaseRepresentation
bin10100110011011010
311022212221
4110303122
510211320
61454254
7503266
oct246332
9138787
1085210
1159024
124138a
132ca28
14230a6
151a3aa
hex14cda

85210 has 8 divisors (see below), whose sum is σ = 153396. Its totient is φ = 34080.

The previous prime is 85201. The next prime is 85213. The reversal of 85210 is 1258.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84681 + 529 = 291^2 + 23^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85213) 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, 4251 + ... + 4270.

285210 is an apocalyptic number.

85210 is a deficient number, since it is larger than the sum of its proper divisors (68186).

85210 is a wasteful number, since it uses less digits than its factorization.

85210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 85210 is about 291.9075196017. The cubic root of 85210 is about 44.0044761286.

Adding to 85210 its reverse (1258), we get a palindrome (86468).

The spelling of 85210 in words is "eighty-five thousand, two hundred ten".

Divisors: 1 2 5 10 8521 17042 42605 85210