Search a number
-
+
85316212 = 2223391541
BaseRepresentation
bin1010001010111…
…01001001110100
312221112111211201
411011131021310
5133320104322
612244342244
72054114212
oct505351164
9187474751
1085316212
1144182373
12246a4984
13148a2087
14b48bcb2
157753d27
hex515d274

85316212 has 12 divisors (see below), whose sum is σ = 149945796. Its totient is φ = 42474560.

The previous prime is 85316141. The next prime is 85316237. The reversal of 85316212 is 21261358.

It can be written as a sum of positive squares in 2 ways, for example, as 20738916 + 64577296 = 4554^2 + 8036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44839 + ... + 46702.

It is an arithmetic number, because the mean of its divisors is an integer number (12495483).

Almost surely, 285316212 is an apocalyptic number.

It is an amenable number.

85316212 is a deficient number, since it is larger than the sum of its proper divisors (64629584).

85316212 is a wasteful number, since it uses less digits than its factorization.

85316212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91778 (or 91776 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 85316212 is about 9236.6775411941. The cubic root of 85316212 is about 440.2275200722.

The spelling of 85316212 in words is "eighty-five million, three hundred sixteen thousand, two hundred twelve".

Divisors: 1 2 4 233 466 932 91541 183082 366164 21329053 42658106 85316212