Search a number
-
+
2676221 is a prime number
BaseRepresentation
bin1010001101010111111101
312000222002022
422031113331
51141114341
6133205525
731514252
oct12152775
95028068
102676221
111568759
12a908a5
13729182
144d9429
1537ce4b
hex28d5fd

2676221 has 2 divisors, whose sum is σ = 2676222. Its totient is φ = 2676220.

The previous prime is 2676217. The next prime is 2676239. The reversal of 2676221 is 1226762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 19321 = 1630^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2676221 - 22 = 2676217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2676241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338110 + 1338111.

It is an arithmetic number, because the mean of its divisors is an integer number (1338111).

22676221 is an apocalyptic number.

It is an amenable number.

2676221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2676221 is an equidigital number, since it uses as much as digits as its factorization.

2676221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 2676221 is about 1635.9159513863. The cubic root of 2676221 is about 138.8376725885.

The spelling of 2676221 in words is "two million, six hundred seventy-six thousand, two hundred twenty-one".