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5249641 = 11346457
BaseRepresentation
bin10100000001101001101001
3100212201011011
4110001221221
52320442031
6304303521
762423035
oct24015151
910781134
105249641
112a66151
121911ba1
13111a5c7
149a91c5
156da6b1
hex501a69

5249641 has 4 divisors (see below), whose sum is σ = 5296212. Its totient is φ = 5203072.

The previous prime is 5249639. The next prime is 5249653. The reversal of 5249641 is 1469425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 3345241 = 1380^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 5249641 - 21 = 5249639 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5249611) 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, 23116 + ... + 23341.

It is an arithmetic number, because the mean of its divisors is an integer number (1324053).

Almost surely, 25249641 is an apocalyptic number.

It is an amenable number.

5249641 is a deficient number, since it is larger than the sum of its proper divisors (46571).

5249641 is a wasteful number, since it uses less digits than its factorization.

5249641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46570.

The product of its digits is 8640, while the sum is 31.

The square root of 5249641 is about 2291.2095059160. The cubic root of 5249641 is about 173.7973705871.

The spelling of 5249641 in words is "five million, two hundred forty-nine thousand, six hundred forty-one".

Divisors: 1 113 46457 5249641