Search a number
-
+
331341449 is a prime number
BaseRepresentation
bin10011101111111…
…101111010001001
3212002110220000112
4103233331322021
51134310411244
652513444105
711132233025
oct2357757211
9762426015
10331341449
1116004080a
1292b70635
135385253a
1432011385
151e15039e
hex13bfde89

331341449 has 2 divisors, whose sum is σ = 331341450. Its totient is φ = 331341448.

The previous prime is 331341391. The next prime is 331341467. The reversal of 331341449 is 944143133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189255049 + 142086400 = 13757^2 + 11920^2 .

It is a cyclic number.

It is not a de Polignac number, because 331341449 - 224 = 314564233 is a prime.

It is not a weakly prime, because it can be changed into another prime (331341499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165670724 + 165670725.

It is an arithmetic number, because the mean of its divisors is an integer number (165670725).

Almost surely, 2331341449 is an apocalyptic number.

It is an amenable number.

331341449 is a deficient number, since it is larger than the sum of its proper divisors (1).

331341449 is an equidigital number, since it uses as much as digits as its factorization.

331341449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 331341449 is about 18202.7868470737. The cubic root of 331341449 is about 691.9774187392.

The spelling of 331341449 in words is "three hundred thirty-one million, three hundred forty-one thousand, four hundred forty-nine".