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2281379 is a prime number
BaseRepresentation
bin1000101100111110100011
311021220110112
420230332203
51041001004
6120521535
725251152
oct10547643
94256415
102281379
111319041
129202ab
1361b539
14435599
15300e6e
hex22cfa3

2281379 has 2 divisors, whose sum is σ = 2281380. Its totient is φ = 2281378.

The previous prime is 2281373. The next prime is 2281381. The reversal of 2281379 is 9731822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2281379 is a prime.

Together with 2281381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2281373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140689 + 1140690.

It is an arithmetic number, because the mean of its divisors is an integer number (1140690).

22281379 is an apocalyptic number.

2281379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281379 is an equidigital number, since it uses as much as digits as its factorization.

2281379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 2281379 is about 1510.4234505595. The cubic root of 2281379 is about 131.6434169990.

The spelling of 2281379 in words is "two million, two hundred eighty-one thousand, three hundred seventy-nine".