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5168257 = 9753281
BaseRepresentation
bin10011101101110010000001
3100201120111221
4103231302001
52310341012
6302435041
761633543
oct23556201
910646457
105168257
112a0aa96
121892a81
1310bc553
14987693
156c1507
hex4edc81

5168257 has 4 divisors (see below), whose sum is σ = 5221636. Its totient is φ = 5114880.

The previous prime is 5168249. The next prime is 5168263. The reversal of 5168257 is 7528615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7528615 = 51505723.

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 2611456 = 1599^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 5168257 - 23 = 5168249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26544 + ... + 26737.

It is an arithmetic number, because the mean of its divisors is an integer number (1305409).

Almost surely, 25168257 is an apocalyptic number.

It is an amenable number.

5168257 is a deficient number, since it is larger than the sum of its proper divisors (53379).

5168257 is an equidigital number, since it uses as much as digits as its factorization.

5168257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53378.

The product of its digits is 16800, while the sum is 34.

The square root of 5168257 is about 2273.3800826083. The cubic root of 5168257 is about 172.8945753039.

The spelling of 5168257 in words is "five million, one hundred sixty-eight thousand, two hundred fifty-seven".

Divisors: 1 97 53281 5168257