Search a number
-
+
28082884 = 2283251337
BaseRepresentation
bin110101100100…
…0001011000100
31221211202110211
41223020023010
524142123014
62441525204
7460462204
oct153101304
957752424
1028082884
11149410a5
1294a3804
135a834bb
143a30404
1526eacc4
hex1ac82c4

28082884 has 24 divisors (see below), whose sum is σ = 50083488. Its totient is φ = 13776000.

The previous prime is 28082867. The next prime is 28082891. The reversal of 28082884 is 48828082.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83164 + ... + 83500.

It is an arithmetic number, because the mean of its divisors is an integer number (2086812).

Almost surely, 228082884 is an apocalyptic number.

It is an amenable number.

28082884 is a deficient number, since it is larger than the sum of its proper divisors (22000604).

28082884 is a wasteful number, since it uses less digits than its factorization.

28082884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 28082884 is about 5299.3286367237. The cubic root of 28082884 is about 303.9582266008.

The spelling of 28082884 in words is "twenty-eight million, eighty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 83 166 251 332 337 502 674 1004 1348 20833 27971 41666 55942 83332 84587 111884 169174 338348 7020721 14041442 28082884