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2555269 = 11322613
BaseRepresentation
bin1001101111110110000101
311210211011121
421233312011
51123232034
6130433541
730501523
oct11576605
94724147
102555269
1114958a2
12a328b1
136b60c2
144a7313
153571b4
hex26fd85

2555269 has 4 divisors (see below), whose sum is σ = 2577996. Its totient is φ = 2532544.

The previous prime is 2555263. The next prime is 2555281. The reversal of 2555269 is 9625552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 2117025 = 662^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555269 - 23 = 2555261 is a prime.

It is a super-2 number, since 2×25552692 = 13058799324722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555261) 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, 11194 + ... + 11419.

It is an arithmetic number, because the mean of its divisors is an integer number (644499).

22555269 is an apocalyptic number.

It is an amenable number.

2555269 is a deficient number, since it is larger than the sum of its proper divisors (22727).

2555269 is a wasteful number, since it uses less digits than its factorization.

2555269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22726.

The product of its digits is 27000, while the sum is 34.

The square root of 2555269 is about 1598.5208788127. The cubic root of 2555269 is about 136.7137540172.

The spelling of 2555269 in words is "two million, five hundred fifty-five thousand, two hundred sixty-nine".

Divisors: 1 113 22613 2555269