Search a number
-
+
3128633 is a prime number
BaseRepresentation
bin1011111011110100111001
312212221200022
423323310321
51300104013
6151020225
735410244
oct13736471
95787608
103128633
111847652
12106a675
13857081
145b625b
1541c008
hex2fbd39

3128633 has 2 divisors, whose sum is σ = 3128634. Its totient is φ = 3128632.

The previous prime is 3128623. The next prime is 3128641. The reversal of 3128633 is 3368213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3125824 + 2809 = 1768^2 + 53^2 .

It is an emirp because it is prime and its reverse (3368213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3128633 - 216 = 3063097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3128623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564316 + 1564317.

It is an arithmetic number, because the mean of its divisors is an integer number (1564317).

Almost surely, 23128633 is an apocalyptic number.

It is an amenable number.

3128633 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128633 is an equidigital number, since it uses as much as digits as its factorization.

3128633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 3128633 is about 1768.7942220620. The cubic root of 3128633 is about 146.2575207373.

The spelling of 3128633 in words is "three million, one hundred twenty-eight thousand, six hundred thirty-three".