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5357257 = 29184733
BaseRepresentation
bin10100011011111011001001
3101002011202221
4110123323021
52332413012
6310454041
763351553
oct24337311
911064687
105357257
113029a94
121964321
131157599
149d64d3
1570c507
hex51bec9

5357257 has 4 divisors (see below), whose sum is σ = 5542020. Its totient is φ = 5172496.

The previous prime is 5357249. The next prime is 5357299. The reversal of 5357257 is 7527535.

5357257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7527535 = 51505507.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 3059001 = 1516^2 + 1749^2 .

It is a cyclic number.

It is not a de Polignac number, because 5357257 - 23 = 5357249 is a prime.

It is an Ulam number.

It is a Duffinian number.

5357257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5357207) 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, 92338 + ... + 92395.

It is an arithmetic number, because the mean of its divisors is an integer number (1385505).

Almost surely, 25357257 is an apocalyptic number.

It is an amenable number.

5357257 is a deficient number, since it is larger than the sum of its proper divisors (184763).

5357257 is a wasteful number, since it uses less digits than its factorization.

5357257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184762.

The product of its digits is 36750, while the sum is 34.

The square root of 5357257 is about 2314.5749069754. The cubic root of 5357257 is about 174.9769439013.

The spelling of 5357257 in words is "five million, three hundred fifty-seven thousand, two hundred fifty-seven".

Divisors: 1 29 184733 5357257