Search a number
-
+
85488274 = 21713718353
BaseRepresentation
bin1010001100001…
…11001010010010
312221212020212101
411012013022102
5133341111044
612252151014
72055431644
oct506071222
9187766771
1085488274
114428a673
122476846a
13149324a1
14b4d4894
157789cd4
hex5187292

85488274 has 16 divisors (see below), whose sum is σ = 136774008. Its totient is φ = 39933952.

The previous prime is 85488269. The next prime is 85488287. The reversal of 85488274 is 47288458.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64722025 + 20766249 = 8045^2 + 4557^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4519 + ... + 13834.

Almost surely, 285488274 is an apocalyptic number.

85488274 is a deficient number, since it is larger than the sum of its proper divisors (51285734).

85488274 is a wasteful number, since it uses less digits than its factorization.

85488274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18509.

The product of its digits is 573440, while the sum is 46.

The square root of 85488274 is about 9245.9869132505. The cubic root of 85488274 is about 440.5232652069.

The spelling of 85488274 in words is "eighty-five million, four hundred eighty-eight thousand, two hundred seventy-four".

Divisors: 1 2 17 34 137 274 2329 4658 18353 36706 312001 624002 2514361 5028722 42744137 85488274