Search a number
-
+
85005388 = 22131634719
BaseRepresentation
bin1010001000100…
…01010001001100
312220221201110201
411010101101030
5133230133023
612233543244
72051351056
oct504212114
9186851421
1085005388
1143a8a896
1224574b24
13147c3760
14b40a8d6
1576e1bad
hex511144c

85005388 has 12 divisors (see below), whose sum is σ = 160202560. Its totient is φ = 39233232.

The previous prime is 85005377. The next prime is 85005407. The reversal of 85005388 is 88350058.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817308 + ... + 817411.

Almost surely, 285005388 is an apocalyptic number.

It is an amenable number.

85005388 is a deficient number, since it is larger than the sum of its proper divisors (75197172).

85005388 is a wasteful number, since it uses less digits than its factorization.

85005388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634736 (or 1634734 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 85005388 is about 9219.8366579891. The cubic root of 85005388 is about 439.6922572620.

The spelling of 85005388 in words is "eighty-five million, five thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 1634719 3269438 6538876 21251347 42502694 85005388