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2286161 = 3117351
BaseRepresentation
bin1000101110001001010001
311022011000122
420232021101
51041124121
6121000025
725301123
oct10561121
94264018
102286161
111321699
12923015
13620777
14437213
153025ab
hex22e251

2286161 has 4 divisors (see below), whose sum is σ = 2293824. Its totient is φ = 2278500.

The previous prime is 2286149. The next prime is 2286169. The reversal of 2286161 is 1616822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2286161 - 214 = 2269777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2286161.

It is not an unprimeable number, because it can be changed into a prime (2286169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365 + ... + 3986.

It is an arithmetic number, because the mean of its divisors is an integer number (573456).

22286161 is an apocalyptic number.

It is an amenable number.

2286161 is a deficient number, since it is larger than the sum of its proper divisors (7663).

2286161 is an equidigital number, since it uses as much as digits as its factorization.

2286161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662.

The product of its digits is 1152, while the sum is 26.

The square root of 2286161 is about 1512.0056216827. The cubic root of 2286161 is about 131.7353320917.

It can be divided in two parts, 22861 and 61, that added together give a palindrome (22922).

The spelling of 2286161 in words is "two million, two hundred eighty-six thousand, one hundred sixty-one".

Divisors: 1 311 7351 2286161