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2289286 = 21144643
BaseRepresentation
bin1000101110111010000110
311022022022101
420232322012
51041224121
6121022314
725313206
oct10567206
94268271
102289286
111323a7a
1292499a
1362200c
14438406
15303491
hex22ee86

2289286 has 4 divisors (see below), whose sum is σ = 3433932. Its totient is φ = 1144642.

The previous prime is 2289281. The next prime is 2289349. The reversal of 2289286 is 6829822.

2289286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289281) 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, 572320 + ... + 572323.

It is an arithmetic number, because the mean of its divisors is an integer number (858483).

22289286 is an apocalyptic number.

2289286 is a deficient number, since it is larger than the sum of its proper divisors (1144646).

2289286 is a wasteful number, since it uses less digits than its factorization.

2289286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144645.

The product of its digits is 27648, while the sum is 37.

The square root of 2289286 is about 1513.0386644101. The cubic root of 2289286 is about 131.7953286653.

The spelling of 2289286 in words is "two million, two hundred eighty-nine thousand, two hundred eighty-six".

Divisors: 1 2 1144643 2289286