Search a number
-
+
85201218 = 2324733401
BaseRepresentation
bin1010001010000…
…01000101000010
312221022200002200
411011001011002
5133302414333
612242054030
72053125024
oct505010502
9187280080
1085201218
1144103a33
122464a316
131486192b
14b45c014
15772ec13
hex5141142

85201218 has 12 divisors (see below), whose sum is σ = 184602678. Its totient is φ = 28400400.

The previous prime is 85201199. The next prime is 85201219. The reversal of 85201218 is 81210258.

It can be written as a sum of positive squares in only one way, i.e., 82682649 + 2518569 = 9093^2 + 1587^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85201191 and 85201200.

It is not an unprimeable number, because it can be changed into a prime (85201219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2366683 + ... + 2366718.

Almost surely, 285201218 is an apocalyptic number.

85201218 is an abundant number, since it is smaller than the sum of its proper divisors (99401460).

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

85201218 is a wasteful number, since it uses less digits than its factorization.

85201218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733409 (or 4733406 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 85201218 is about 9230.4505848848. The cubic root of 85201218 is about 440.0296433197.

The spelling of 85201218 in words is "eighty-five million, two hundred one thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 4733401 9466802 14200203 28400406 42600609 85201218