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2242993 is a prime number
BaseRepresentation
bin1000100011100110110001
311012221210211
420203212301
51033233433
6120024121
725031224
oct10434661
94187724
102242993
1112a2215
12902041
13606c1c
144255bb
152e48cd
hex2239b1

2242993 has 2 divisors, whose sum is σ = 2242994. Its totient is φ = 2242992.

The previous prime is 2242979. The next prime is 2243027. The reversal of 2242993 is 3992422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 134689 = 1452^2 + 367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2242993 is a prime.

It is a d-powerful number, because it can be written as 213 + 217 + 4 + 221 + 9 + 94 + 3 .

It is not a weakly prime, because it can be changed into another prime (2242973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121496 + 1121497.

It is an arithmetic number, because the mean of its divisors is an integer number (1121497).

22242993 is an apocalyptic number.

It is an amenable number.

2242993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242993 is an equidigital number, since it uses as much as digits as its factorization.

2242993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 2242993 is about 1497.6625120500. The cubic root of 2242993 is about 130.9009020756.

It can be divided in two parts, 22429 and 93, that added together give a palindrome (22522).

The spelling of 2242993 in words is "two million, two hundred forty-two thousand, nine hundred ninety-three".