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5242147 = 6778241
BaseRepresentation
bin10011111111110100100011
3100212022212121
4103333310203
52320222042
6304205111
762362141
oct23776443
910768777
105242147
112a60559
121909797
131117081
149a6591
156d8367
hex4ffd23

5242147 has 4 divisors (see below), whose sum is σ = 5320456. Its totient is φ = 5163840.

The previous prime is 5242141. The next prime is 5242163. The reversal of 5242147 is 7412425.

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

It is a cyclic number.

It is not a de Polignac number, because 5242147 - 211 = 5240099 is a prime.

It is a Duffinian number.

5242147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5242141) 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, 39054 + ... + 39187.

It is an arithmetic number, because the mean of its divisors is an integer number (1330114).

Almost surely, 25242147 is an apocalyptic number.

5242147 is a deficient number, since it is larger than the sum of its proper divisors (78309).

5242147 is an equidigital number, since it uses as much as digits as its factorization.

5242147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78308.

The product of its digits is 2240, while the sum is 25.

The square root of 5242147 is about 2289.5735410770. The cubic root of 5242147 is about 173.7146311045.

The spelling of 5242147 in words is "five million, two hundred forty-two thousand, one hundred forty-seven".

Divisors: 1 67 78241 5242147