Search a number
-
+
855000074 = 217160915629
BaseRepresentation
bin110010111101100…
…100010000001010
32012120211111121102
4302331210100022
53222340000244
6220501341402
730121244405
oct6275442012
92176744542
10855000074
113a9697235
121ba407862
1310819c106
14817a4d3c
15500dd54e
hex32f6440a

855000074 has 16 divisors (see below), whose sum is σ = 1358872200. Its totient is φ = 402077184.

The previous prime is 855000071. The next prime is 855000079. The reversal of 855000074 is 470000558.

It can be written as a sum of positive squares in 4 ways, for example, as 693532225 + 161467849 = 26335^2 + 12707^2 .

It is not an unprimeable number, because it can be changed into a prime (855000071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46892 + ... + 62520.

Almost surely, 2855000074 is an apocalyptic number.

855000074 is a deficient number, since it is larger than the sum of its proper divisors (503872126).

855000074 is a wasteful number, since it uses less digits than its factorization.

855000074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17257.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 855000074 is about 29240.3842998002. The cubic root of 855000074 is about 949.1220231850.

The spelling of 855000074 in words is "eight hundred fifty-five million, seventy-four", and thus it is an aban number.

Divisors: 1 2 17 34 1609 3218 15629 27353 31258 54706 265693 531386 25147061 50294122 427500037 855000074