Search a number
-
+
28633799 is a prime number
BaseRepresentation
bin110110100111…
…0101011000111
31222212202012002
41231032223013
524312240144
62501415515
7465245315
oct155165307
958782162
1028633799
1115187aa7
12970a59b
135c1719c
143b350b5
1527a914e
hex1b4eac7

28633799 has 2 divisors, whose sum is σ = 28633800. Its totient is φ = 28633798.

The previous prime is 28633793. The next prime is 28633811. The reversal of 28633799 is 99733682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28633799 - 28 = 28633543 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28633793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14316899 + 14316900.

It is an arithmetic number, because the mean of its divisors is an integer number (14316900).

Almost surely, 228633799 is an apocalyptic number.

28633799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28633799 is an equidigital number, since it uses as much as digits as its factorization.

28633799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 28633799 is about 5351.0558771143. The cubic root of 28633799 is about 305.9329989864.

The spelling of 28633799 in words is "twenty-eight million, six hundred thirty-three thousand, seven hundred ninety-nine".