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254393 = 713583
BaseRepresentation
bin111110000110111001
3110220221222
4332012321
531120033
65241425
72106446
oct760671
9426858
10254393
11164147
12103275
138ba39
14689cd
1550598
hex3e1b9

254393 has 4 divisors (see below), whose sum is σ = 258048. Its totient is φ = 250740.

The previous prime is 254389. The next prime is 254407. The reversal of 254393 is 393452.

254393 is nontrivially palindromic in base 6.

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 254393 - 22 = 254389 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (254383) 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, 1721 + ... + 1862.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2254393 is an apocalyptic number.

It is an amenable number.

254393 is a deficient number, since it is larger than the sum of its proper divisors (3655).

254393 is an equidigital number, since it uses as much as digits as its factorization.

254393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654.

The product of its digits is 3240, while the sum is 26.

The square root of 254393 is about 504.3738692676. The cubic root of 254393 is about 63.3629009370.

The spelling of 254393 in words is "two hundred fifty-four thousand, three hundred ninety-three".

Divisors: 1 71 3583 254393