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268427 = 416547
BaseRepresentation
bin1000001100010001011
3111122012202
41001202023
532042202
65430415
72165405
oct1014213
9448182
10268427
11173745
1210b40b
1395243
146db75
1554802
hex4188b

268427 has 4 divisors (see below), whose sum is σ = 275016. Its totient is φ = 261840.

The previous prime is 268403. The next prime is 268439. The reversal of 268427 is 724862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724862 = 2362431.

It is a cyclic number.

It is not a de Polignac number, because 268427 - 28 = 268171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268427.

It is not an unprimeable number, because it can be changed into a prime (268487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (68754).

2268427 is an apocalyptic number.

268427 is a deficient number, since it is larger than the sum of its proper divisors (6589).

268427 is an equidigital number, since it uses as much as digits as its factorization.

268427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588.

The product of its digits is 5376, while the sum is 29.

The square root of 268427 is about 518.0994113102. The cubic root of 268427 is about 64.5072803913.

The spelling of 268427 in words is "two hundred sixty-eight thousand, four hundred twenty-seven".

Divisors: 1 41 6547 268427