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5390286 = 231181671
BaseRepresentation
bin10100100011111111001110
3101010212002020
4110203333032
52334442121
6311311010
763550056
oct24437716
911125066
105390286
113051890
12197b466
131169625
14a04566
157171c6
hex523fce

5390286 has 16 divisors (see below), whose sum is σ = 11760768. Its totient is φ = 1633400.

The previous prime is 5390279. The next prime is 5390291. The reversal of 5390286 is 6820935.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40770 + ... + 40901.

It is an arithmetic number, because the mean of its divisors is an integer number (735048).

Almost surely, 25390286 is an apocalyptic number.

5390286 is an abundant number, since it is smaller than the sum of its proper divisors (6370482).

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

5390286 is a wasteful number, since it uses less digits than its factorization.

5390286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81687.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 5390286 is about 2321.6989468921. The cubic root of 5390286 is about 175.3358014884.

Adding to 5390286 its reverse (6820935), we get a palindrome (12211221).

The spelling of 5390286 in words is "five million, three hundred ninety thousand, two hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 81671 163342 245013 490026 898381 1796762 2695143 5390286