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5249249 = 6778347
BaseRepresentation
bin10100000001100011100001
3100212200121122
4110001203201
52320433444
6304302025
762421635
oct24014341
910780548
105249249
112a65925
121911915
13111a385
149a8dc5
156da4ee
hex5018e1

5249249 has 4 divisors (see below), whose sum is σ = 5327664. Its totient is φ = 5170836.

The previous prime is 5249239. The next prime is 5249269. The reversal of 5249249 is 9429425.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5249249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5249219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39107 + ... + 39240.

It is an arithmetic number, because the mean of its divisors is an integer number (1331916).

Almost surely, 25249249 is an apocalyptic number.

It is an amenable number.

5249249 is a deficient number, since it is larger than the sum of its proper divisors (78415).

5249249 is an equidigital number, since it uses as much as digits as its factorization.

5249249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78414.

The product of its digits is 25920, while the sum is 35.

The square root of 5249249 is about 2291.1239599812. The cubic root of 5249249 is about 173.7930445602.

The spelling of 5249249 in words is "five million, two hundred forty-nine thousand, two hundred forty-nine".

Divisors: 1 67 78347 5249249