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5279389 = 16673167
BaseRepresentation
bin10100001000111010011101
3100221012221221
4110020322131
52322420024
6305053341
762605543
oct24107235
910835857
105279389
112a86535
121927251
13112accb
149b5d93
156e43e4
hex508e9d

5279389 has 4 divisors (see below), whose sum is σ = 5284224. Its totient is φ = 5274556.

The previous prime is 5279387. The next prime is 5279423. The reversal of 5279389 is 9839725.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5279389 - 21 = 5279387 is a prime.

It is a d-powerful number, because it can be written as 56 + 222 + 74 + 92 + 312 + 84 + 96 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5279387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (1321056).

Almost surely, 25279389 is an apocalyptic number.

It is an amenable number.

5279389 is a deficient number, since it is larger than the sum of its proper divisors (4835).

5279389 is a wasteful number, since it uses less digits than its factorization.

5279389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834.

The product of its digits is 136080, while the sum is 43.

The square root of 5279389 is about 2297.6921029590. The cubic root of 5279389 is about 174.1250367398.

The spelling of 5279389 in words is "five million, two hundred seventy-nine thousand, three hundred eighty-nine".

Divisors: 1 1667 3167 5279389