Search a number
-
+
60215085 = 32571910061
BaseRepresentation
bin1110010110110…
…0111100101101
311012022020120100
43211230330231
5110403340320
65550341313
71330551120
oct345547455
9135266510
1060215085
1130a98537
12181ba839
13c623b38
147dd63b7
155446790
hex396cf2d

60215085 has 48 divisors (see below), whose sum is σ = 125573760. Its totient is φ = 26075520.

The previous prime is 60215083. The next prime is 60215149. The reversal of 60215085 is 58051206.

60215085 is a `hidden beast` number, since 602 + 1 + 50 + 8 + 5 = 666.

It is not a de Polignac number, because 60215085 - 21 = 60215083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60215083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (2616120).

Almost surely, 260215085 is an apocalyptic number.

It is an amenable number.

60215085 is an abundant number, since it is smaller than the sum of its proper divisors (65358675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60215085 is a wasteful number, since it uses less digits than its factorization.

60215085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10098 (or 10095 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 60215085 is about 7759.8379493389. The cubic root of 60215085 is about 391.9540003118.

The spelling of 60215085 in words is "sixty million, two hundred fifteen thousand, eighty-five".

Divisors: 1 3 5 7 9 15 19 21 35 45 57 63 95 105 133 171 285 315 399 665 855 1197 1995 5985 10061 30183 50305 70427 90549 150915 191159 211281 352135 452745 573477 633843 955795 1056405 1338113 1720431 2867385 3169215 4014339 6690565 8602155 12043017 20071695 60215085