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219331241 is a prime number
BaseRepresentation
bin11010001001010…
…11101010101001
3120021201011220022
431010223222221
5422122044431
633433010225
75302166453
oct1504535251
9507634808
10219331241
11102896898
1261553975
13365951cc
14211b52d3
15143c707b
hexd12baa9

219331241 has 2 divisors, whose sum is σ = 219331242. Its totient is φ = 219331240.

The previous prime is 219331223. The next prime is 219331249. The reversal of 219331241 is 142133912.

219331241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191241241 + 28090000 = 13829^2 + 5300^2 .

It is a cyclic number.

It is not a de Polignac number, because 219331241 - 210 = 219330217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 219331241.

It is not a weakly prime, because it can be changed into another prime (219331249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109665620 + 109665621.

It is an arithmetic number, because the mean of its divisors is an integer number (109665621).

Almost surely, 2219331241 is an apocalyptic number.

It is an amenable number.

219331241 is a deficient number, since it is larger than the sum of its proper divisors (1).

219331241 is an equidigital number, since it uses as much as digits as its factorization.

219331241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 219331241 is about 14809.8359545270. The cubic root of 219331241 is about 603.0687601671.

The spelling of 219331241 in words is "two hundred nineteen million, three hundred thirty-one thousand, two hundred forty-one".