Search a number
-
+
28683038 = 214341519
BaseRepresentation
bin110110101101…
…0101100011110
31222222020201202
41231122230132
524320324123
62502435502
7465542006
oct155325436
958866652
1028683038
1115210a9a
129732b92
135c33717
143b49006
1527b8a28
hex1b5ab1e

28683038 has 4 divisors (see below), whose sum is σ = 43024560. Its totient is φ = 14341518.

The previous prime is 28682981. The next prime is 28683041. The reversal of 28683038 is 83038682.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28682992 and 28683010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7170758 + ... + 7170761.

It is an arithmetic number, because the mean of its divisors is an integer number (10756140).

Almost surely, 228683038 is an apocalyptic number.

28683038 is a deficient number, since it is larger than the sum of its proper divisors (14341522).

28683038 is a wasteful number, since it uses less digits than its factorization.

28683038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341521.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 28683038 is about 5355.6547685600. The cubic root of 28683038 is about 306.1082604962.

The spelling of 28683038 in words is "twenty-eight million, six hundred eighty-three thousand, thirty-eight".

Divisors: 1 2 14341519 28683038