Search a number
-
+
5381286 = 231137937
BaseRepresentation
bin10100100001110010100110
3101010101201220
4110201302212
52334200121
6311201210
763511611
oct24416246
911111656
105381286
113046049
121976206
1311654c1
14a01178
157146c6
hex521ca6

5381286 has 16 divisors (see below), whose sum is σ = 10859184. Its totient is φ = 1777664.

The previous prime is 5381281. The next prime is 5381293. The reversal of 5381286 is 6821835.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (678699).

Almost surely, 25381286 is an apocalyptic number.

5381286 is an abundant number, since it is smaller than the sum of its proper divisors (5477898).

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

5381286 is a wasteful number, since it uses less digits than its factorization.

5381286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055.

The product of its digits is 11520, while the sum is 33.

The square root of 5381286 is about 2319.7599013691. The cubic root of 5381286 is about 175.2381628048.

The spelling of 5381286 in words is "five million, three hundred eighty-one thousand, two hundred eighty-six".

Divisors: 1 2 3 6 113 226 339 678 7937 15874 23811 47622 896881 1793762 2690643 5381286