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22728848 = 2413710369
BaseRepresentation
bin101011010110…
…1000010010000
31120202202010012
41112231002100
521304310343
62131054052
7364122602
oct126550220
946682105
1022728848
111191457a
127741328
13492a52c
143039172
151ede718
hex15ad090

22728848 has 20 divisors (see below), whose sum is σ = 44362860. Its totient is φ = 11280384.

The previous prime is 22728821. The next prime is 22728851. The reversal of 22728848 is 84882722.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 16418704 = 2512^2 + 4052^2 .

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, 2993 + ... + 7376.

It is an arithmetic number, because the mean of its divisors is an integer number (2218143).

Almost surely, 222728848 is an apocalyptic number.

It is an amenable number.

22728848 is a deficient number, since it is larger than the sum of its proper divisors (21634012).

22728848 is a wasteful number, since it uses less digits than its factorization.

22728848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514 (or 10508 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 22728848 is about 4767.4781593627. The cubic root of 22728848 is about 283.2647117169.

The spelling of 22728848 in words is "twenty-two million, seven hundred twenty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 10369 20738 41476 82952 165904 1420553 2841106 5682212 11364424 22728848