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56269 is a prime number
BaseRepresentation
bin1101101111001101
32212012001
431233031
53300034
61112301
7323023
oct155715
985161
1056269
1139304
1228691
131c7c5
1416713
1511a14
hexdbcd

56269 has 2 divisors, whose sum is σ = 56270. Its totient is φ = 56268.

The previous prime is 56267. The next prime is 56299. The reversal of 56269 is 96265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56169 + 100 = 237^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 56269 - 21 = 56267 is a prime.

It is a super-2 number, since 2×562692 = 6332400722, which contains 22 as substring.

Together with 56267, it forms a pair of twin primes.

It is a Chen prime.

56269 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56263) 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 as a sum of consecutive naturals, namely, 28134 + 28135.

It is an arithmetic number, because the mean of its divisors is an integer number (28135).

256269 is an apocalyptic number.

It is an amenable number.

56269 is a deficient number, since it is larger than the sum of its proper divisors (1).

56269 is an equidigital number, since it uses as much as digits as its factorization.

56269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 56269 is about 237.2108766478. The cubic root of 56269 is about 38.3197851723.

It can be divided in two parts, 56 and 269, that added together give a triangular number (325 = T25).

The spelling of 56269 in words is "fifty-six thousand, two hundred sixty-nine".