Search a number
-
+
15083213 is a prime number
BaseRepresentation
bin111001100010…
…011011001101
31001101022021112
4321202123031
512330130323
61255141405
7242130245
oct71423315
931338245
1015083213
118572272
125074865
1331814a2
142008b25
1514ce178
hexe626cd

15083213 has 2 divisors, whose sum is σ = 15083214. Its totient is φ = 15083212.

The previous prime is 15083191. The next prime is 15083249. The reversal of 15083213 is 31238051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14303524 + 779689 = 3782^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 15083213 - 26 = 15083149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15083293) 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, 7541606 + 7541607.

It is an arithmetic number, because the mean of its divisors is an integer number (7541607).

Almost surely, 215083213 is an apocalyptic number.

It is an amenable number.

15083213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15083213 is an equidigital number, since it uses as much as digits as its factorization.

15083213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 15083213 is about 3883.7112405533. The cubic root of 15083213 is about 247.0764131679.

The spelling of 15083213 in words is "fifteen million, eighty-three thousand, two hundred thirteen".