Search a number
-
+
2242817 = 19118043
BaseRepresentation
bin1000100011100100000001
311012221120022
420203210001
51033232232
6120023225
725030553
oct10434401
94187508
102242817
1112a2075
12901b15
13606b15
144254d3
152e4812
hex223901

2242817 has 4 divisors (see below), whose sum is σ = 2360880. Its totient is φ = 2124756.

The previous prime is 2242813. The next prime is 2242841. The reversal of 2242817 is 7182422.

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 2242817 - 22 = 2242813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59003 + ... + 59040.

It is an arithmetic number, because the mean of its divisors is an integer number (590220).

22242817 is an apocalyptic number.

It is an amenable number.

2242817 is a deficient number, since it is larger than the sum of its proper divisors (118063).

2242817 is a wasteful number, since it uses less digits than its factorization.

2242817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118062.

The product of its digits is 1792, while the sum is 26.

The square root of 2242817 is about 1497.6037526662. The cubic root of 2242817 is about 130.8974782038.

The spelling of 2242817 in words is "two million, two hundred forty-two thousand, eight hundred seventeen".

Divisors: 1 19 118043 2242817