Search a number
-
+
28083282 = 23139151223
BaseRepresentation
bin110101100100…
…0010001010010
31221211210000120
41223020101102
524142131112
62441531110
7460463313
oct153102122
957753016
1028083282
1114941427
1294a3a96
135a83736
143a3060a
1526eae8c
hex1ac8452

28083282 has 32 divisors (see below), whose sum is σ = 57200640. Its totient is φ = 9190800.

The previous prime is 28083277. The next prime is 28083313. The reversal of 28083282 is 28238082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125823 + ... + 126045.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 228083282 is an apocalyptic number.

28083282 is an abundant number, since it is smaller than the sum of its proper divisors (29117358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28083282 is a wasteful number, since it uses less digits than its factorization.

28083282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28083282 is about 5299.3661885173. The cubic root of 28083282 is about 303.9596625265.

The spelling of 28083282 in words is "twenty-eight million, eighty-three thousand, two hundred eighty-two".

Divisors: 1 2 3 6 139 151 223 278 302 417 446 453 669 834 906 1338 20989 30997 33673 41978 61994 62967 67346 92991 101019 125934 185982 202038 4680547 9361094 14041641 28083282