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85342212 = 223210972161
BaseRepresentation
bin1010001011000…
…11100000000100
312221120211111200
411011203200010
5133321422322
612245102500
72054253054
oct505434004
9187524450
1085342212
114419a95a
12246b7a30
13148b0b67
14b497564
15775b8ac
hex5163804

85342212 has 36 divisors (see below), whose sum is σ = 216022716. Its totient is φ = 28408320.

The previous prime is 85342207. The next prime is 85342223. The reversal of 85342212 is 21224358.

It can be written as a sum of positive squares in 2 ways, for example, as 38638656 + 46703556 = 6216^2 + 6834^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38412 + ... + 40572.

It is an arithmetic number, because the mean of its divisors is an integer number (6000631).

Almost surely, 285342212 is an apocalyptic number.

It is an amenable number.

85342212 is an abundant number, since it is smaller than the sum of its proper divisors (130680504).

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

85342212 is a wasteful number, since it uses less digits than its factorization.

85342212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3263 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 85342212 is about 9238.0848664645. The cubic root of 85342212 is about 440.2722351103.

The spelling of 85342212 in words is "eighty-five million, three hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 1097 2161 2194 3291 4322 4388 6483 6582 8644 9873 12966 13164 19449 19746 25932 38898 39492 77796 2370617 4741234 7111851 9482468 14223702 21335553 28447404 42671106 85342212