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5242525 = 52209701
BaseRepresentation
bin10011111111111010011101
3100212100101121
4103333322131
52320230100
6304210541
762363221
oct23777235
910770347
105242525
112a60872
121909a51
1311172b2
149a6781
156d851a
hex4ffe9d

5242525 has 6 divisors (see below), whose sum is σ = 6500762. Its totient is φ = 4194000.

The previous prime is 5242513. The next prime is 5242561. The reversal of 5242525 is 5252425.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 974169 + 4268356 = 987^2 + 2066^2 .

It is a de Polignac number, because none of the positive numbers 2k-5242525 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 209701 = 5242525 / (5 + 2 + 4 + 2 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5242525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104826 + ... + 104875.

Almost surely, 25242525 is an apocalyptic number.

It is an amenable number.

5242525 is a deficient number, since it is larger than the sum of its proper divisors (1258237).

5242525 is a wasteful number, since it uses less digits than its factorization.

5242525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209711 (or 209706 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 5242525 is about 2289.6560877127. The cubic root of 5242525 is about 173.7188064009.

The spelling of 5242525 in words is "five million, two hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 209701 1048505 5242525