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5124857 = 18892713
BaseRepresentation
bin10011100011001011111001
3100122100222112
4103203023321
52302443412
6301502105
761363163
oct23431371
910570875
105124857
112990421
121871935
1310a587a
14975933
156b3722
hex4e32f9

5124857 has 4 divisors (see below), whose sum is σ = 5129460. Its totient is φ = 5120256.

The previous prime is 5124839. The next prime is 5124859. The reversal of 5124857 is 7584215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7584215 = 51516843.

It can be written as a sum of positive squares in 2 ways, for example, as 4116841 + 1008016 = 2029^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 5124857 - 216 = 5059321 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 (5124859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 3245.

It is an arithmetic number, because the mean of its divisors is an integer number (1282365).

Almost surely, 25124857 is an apocalyptic number.

It is an amenable number.

5124857 is a deficient number, since it is larger than the sum of its proper divisors (4603).

5124857 is a wasteful number, since it uses less digits than its factorization.

5124857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602.

The product of its digits is 11200, while the sum is 32.

The square root of 5124857 is about 2263.8147008976. The cubic root of 5124857 is about 172.4092584430.

The spelling of 5124857 in words is "five million, one hundred twenty-four thousand, eight hundred fifty-seven".

Divisors: 1 1889 2713 5124857