Search a number
-
+
2243285 = 51140787
BaseRepresentation
bin1000100011101011010101
311012222012122
420203223111
51033241120
6120025325
725032122
oct10435325
94188178
102243285
1112a2460
12902245
136070b5
14425749
152e4a25
hex223ad5

2243285 has 8 divisors (see below), whose sum is σ = 2936736. Its totient is φ = 1631440.

The previous prime is 2243281. The next prime is 2243287. The reversal of 2243285 is 5823422.

2243285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2243285 - 22 = 2243281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243281) 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 7 ways as a sum of consecutive naturals, for example, 20339 + ... + 20448.

It is an arithmetic number, because the mean of its divisors is an integer number (367092).

22243285 is an apocalyptic number.

It is an amenable number.

2243285 is a deficient number, since it is larger than the sum of its proper divisors (693451).

2243285 is a wasteful number, since it uses less digits than its factorization.

2243285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40803.

The product of its digits is 3840, while the sum is 26.

The square root of 2243285 is about 1497.7599941246. The cubic root of 2243285 is about 130.9065821951.

The spelling of 2243285 in words is "two million, two hundred forty-three thousand, two hundred eighty-five".

Divisors: 1 5 11 55 40787 203935 448657 2243285