Search a number
-
+
85372072 = 2329393631
BaseRepresentation
bin1010001011010…
…10110010101000
312221122100110121
411011222302220
5133323401242
612245453024
72054436112
oct505526250
9187570417
1085372072
1144210335
1224711174
13148c1626
14b4a43b2
157765667
hex516aca8

85372072 has 16 divisors (see below), whose sum is σ = 160171200. Its totient is φ = 42659760.

The previous prime is 85372043. The next prime is 85372087. The reversal of 85372072 is 27027358.

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, 21697 + ... + 25327.

It is an arithmetic number, because the mean of its divisors is an integer number (10010700).

Almost surely, 285372072 is an apocalyptic number.

It is an amenable number.

85372072 is a deficient number, since it is larger than the sum of its proper divisors (74799128).

85372072 is a wasteful number, since it uses less digits than its factorization.

85372072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 85372072 is about 9239.7008609586. The cubic root of 85372072 is about 440.3235774088.

It can be divided in two parts, 8537 and 2072, that added together give a square (10609 = 1032).

The spelling of 85372072 in words is "eighty-five million, three hundred seventy-two thousand, seventy-two".

Divisors: 1 2 4 8 2939 3631 5878 7262 11756 14524 23512 29048 10671509 21343018 42686036 85372072