Search a number
-
+
28472696 = 2374112401
BaseRepresentation
bin110110010011…
…1010101111000
31222120120012022
41230213111320
524242111241
62454134012
7464004530
oct154472570
958516168
1028472696
1115087a5a
129651308
135b8ba65
143ad24c0
15277654b
hex1b27578

28472696 has 32 divisors (see below), whose sum is σ = 62506080. Its totient is φ = 11904000.

The previous prime is 28472681. The next prime is 28472707. The reversal of 28472696 is 69627482.

It is a congruent 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, 3905 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (1953315).

Almost surely, 228472696 is an apocalyptic number.

It is an amenable number.

28472696 is an abundant number, since it is smaller than the sum of its proper divisors (34033384).

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

28472696 is a wasteful number, since it uses less digits than its factorization.

28472696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455 (or 12451 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 28472696 is about 5335.9812593374. The cubic root of 28472696 is about 305.3581602758.

The spelling of 28472696 in words is "twenty-eight million, four hundred seventy-two thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 12401 24802 49604 86807 99208 173614 347228 508441 694456 1016882 2033764 3559087 4067528 7118174 14236348 28472696