Search a number
-
+
28200248 = 233525031
BaseRepresentation
bin110101110010…
…0110100111000
31222001201110122
41223210310320
524204401443
62444232412
7461461316
oct153446470
958051418
1028200248
1114a1129a
12953b708
135ac4a4b
143a610b6
152720968
hex1ae4d38

28200248 has 8 divisors (see below), whose sum is σ = 52875480. Its totient is φ = 14100120.

The previous prime is 28200241. The next prime is 28200281. The reversal of 28200248 is 84200282.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28200241) 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, 1762508 + ... + 1762523.

It is an arithmetic number, because the mean of its divisors is an integer number (6609435).

Almost surely, 228200248 is an apocalyptic number.

It is an amenable number.

28200248 is a deficient number, since it is larger than the sum of its proper divisors (24675232).

28200248 is a wasteful number, since it uses less digits than its factorization.

28200248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525037 (or 3525033 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 28200248 is about 5310.3905694403. The cubic root of 28200248 is about 304.3810722084.

The spelling of 28200248 in words is "twenty-eight million, two hundred thousand, two hundred forty-eight".

Divisors: 1 2 4 8 3525031 7050062 14100124 28200248