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5242687 = 12741281
BaseRepresentation
bin10011111111111100111111
3100212100121121
4103333330333
52320231222
6304211411
762363542
oct23777477
910770547
105242687
112a609aa
121909b67
1311173a8
149a6859
156d85c7
hex4fff3f

5242687 has 4 divisors (see below), whose sum is σ = 5284096. Its totient is φ = 5201280.

The previous prime is 5242673. The next prime is 5242693. The reversal of 5242687 is 7862425.

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 5242687 - 211 = 5240639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20514 + ... + 20767.

It is an arithmetic number, because the mean of its divisors is an integer number (1321024).

Almost surely, 25242687 is an apocalyptic number.

5242687 is a deficient number, since it is larger than the sum of its proper divisors (41409).

5242687 is a wasteful number, since it uses less digits than its factorization.

5242687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41408.

The product of its digits is 26880, while the sum is 34.

The square root of 5242687 is about 2289.6914639313. The cubic root of 5242687 is about 173.7205957522.

It can be divided in two parts, 5242 and 687, that added together give a square (5929 = 772).

The spelling of 5242687 in words is "five million, two hundred forty-two thousand, six hundred eighty-seven".

Divisors: 1 127 41281 5242687