Search a number
-
+
28831024 = 243375347
BaseRepresentation
bin110110111111…
…0110100110000
32000020202201201
41231332310300
524340043044
62505540544
7500026315
oct155766460
960222651
1028831024
11153021a2
1297a4754
135c85ba1
143b86d0c
1527e77d4
hex1b7ed30

28831024 has 20 divisors (see below), whose sum is σ = 56036344. Its totient is φ = 14370048.

The previous prime is 28831007. The next prime is 28831073. The reversal of 28831024 is 42013882.

It is a junction number, because it is equal to n+sod(n) for n = 28830983 and 28831001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2719 + ... + 8065.

Almost surely, 228831024 is an apocalyptic number.

It is an amenable number.

28831024 is a deficient number, since it is larger than the sum of its proper divisors (27205320).

28831024 is a wasteful number, since it uses less digits than its factorization.

28831024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 28831024 is about 5369.4528585322. The cubic root of 28831024 is about 306.6337981996.

The spelling of 28831024 in words is "twenty-eight million, eight hundred thirty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 337 674 1348 2696 5347 5392 10694 21388 42776 85552 1801939 3603878 7207756 14415512 28831024