Search a number
-
+
2560269 = 31944917
BaseRepresentation
bin1001110001000100001101
311211002000210
421301010031
51123412034
6130513033
730522225
oct11610415
94732023
102560269
111499628
12a35779
136b846a
144a9085
153588e9
hex27110d

2560269 has 8 divisors (see below), whose sum is σ = 3593440. Its totient is φ = 1616976.

The previous prime is 2560247. The next prime is 2560273. The reversal of 2560269 is 9620652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2560269 is a prime.

It is a super-2 number, since 2×25602692 = 13109954704722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22402 + ... + 22515.

It is an arithmetic number, because the mean of its divisors is an integer number (449180).

22560269 is an apocalyptic number.

It is an amenable number.

2560269 is a deficient number, since it is larger than the sum of its proper divisors (1033171).

2560269 is a wasteful number, since it uses less digits than its factorization.

2560269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44939.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2560269 is about 1600.0840602918. The cubic root of 2560269 is about 136.8028670614.

The spelling of 2560269 in words is "two million, five hundred sixty thousand, two hundred sixty-nine".

Divisors: 1 3 19 57 44917 134751 853423 2560269