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5239444 = 227187123
BaseRepresentation
bin10011111111001010010100
3100212012011111
4103333022110
52320130234
6304144404
762351230
oct23771224
910765144
105239444
112a59521
121908104
131115a82
149a55c0
156d7664
hex4ff294

5239444 has 12 divisors (see below), whose sum is σ = 10478944. Its totient is φ = 2245464.

The previous prime is 5239433. The next prime is 5239447. The reversal of 5239444 is 4449325.

It is a happy number.

5239444 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5239447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93534 + ... + 93589.

Almost surely, 25239444 is an apocalyptic number.

It is an amenable number.

5239444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5239444 is a wasteful number, since it uses less digits than its factorization.

5239444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187134 (or 187132 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 5239444 is about 2288.9831803663. The cubic root of 5239444 is about 173.6847685707.

The spelling of 5239444 in words is "five million, two hundred thirty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 187123 374246 748492 1309861 2619722 5239444