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2538257 = 23110359
BaseRepresentation
bin1001101011101100010001
311202221211112
421223230101
51122211012
6130223105
730401111
oct11535421
94687745
102538257
111484037
12a24a95
136ab437
144a1041
15352122
hex26bb11

2538257 has 4 divisors (see below), whose sum is σ = 2648640. Its totient is φ = 2427876.

The previous prime is 2538241. The next prime is 2538281. The reversal of 2538257 is 7528352.

2538257 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2538257 - 24 = 2538241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538157) 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, 55157 + ... + 55202.

It is an arithmetic number, because the mean of its divisors is an integer number (662160).

22538257 is an apocalyptic number.

It is an amenable number.

2538257 is a deficient number, since it is larger than the sum of its proper divisors (110383).

2538257 is a wasteful number, since it uses less digits than its factorization.

2538257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110382.

The product of its digits is 16800, while the sum is 32.

The square root of 2538257 is about 1593.1908234734. The cubic root of 2538257 is about 136.4096823219.

The spelling of 2538257 in words is "two million, five hundred thirty-eight thousand, two hundred fifty-seven".

Divisors: 1 23 110359 2538257