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2274143 is a prime number
BaseRepresentation
bin1000101011001101011111
311021112112112
420223031133
51040233033
6120424235
725221104
oct10531537
94245475
102274143
111313663
1291807b
13618161
14432aab
152edc48
hex22b35f

2274143 has 2 divisors, whose sum is σ = 2274144. Its totient is φ = 2274142.

The previous prime is 2274127. The next prime is 2274149. The reversal of 2274143 is 3414722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2274143 - 24 = 2274127 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 25 + 221 + 76 + 4 + 1 + 44 + 310 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2274149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137071 + 1137072.

It is an arithmetic number, because the mean of its divisors is an integer number (1137072).

22274143 is an apocalyptic number.

2274143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2274143 is an equidigital number, since it uses as much as digits as its factorization.

2274143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 2274143 is about 1508.0261934065. The cubic root of 2274143 is about 131.5040888915.

Adding to 2274143 its reverse (3414722), we get a palindrome (5688865).

The spelling of 2274143 in words is "two million, two hundred seventy-four thousand, one hundred forty-three".