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2249213 is a prime number
BaseRepresentation
bin1000100101000111111101
311020021100012
420211013331
51033433323
6120113005
725055321
oct10450775
94207305
102249213
1112a695a
12905765
136099c5
14427981
152e6678
hex2251fd

2249213 has 2 divisors, whose sum is σ = 2249214. Its totient is φ = 2249212.

The previous prime is 2249207. The next prime is 2249227. The reversal of 2249213 is 3129422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229049 + 20164 = 1493^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249213 - 24 = 2249197 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 29 + 217 + 43 + 93 + 221 + 1 + 39 .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124606 + 1124607.

It is an arithmetic number, because the mean of its divisors is an integer number (1124607).

22249213 is an apocalyptic number.

It is an amenable number.

2249213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249213 is an equidigital number, since it uses as much as digits as its factorization.

2249213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 2249213 is about 1499.7376437231. The cubic root of 2249213 is about 131.0217899771.

The spelling of 2249213 in words is "two million, two hundred forty-nine thousand, two hundred thirteen".