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26828868 = 22311203249
BaseRepresentation
bin110011001011…
…0000001000100
31212111001021210
41212112001010
523332010433
62355011420
7444020163
oct146260104
955431253
1026828868
1114164a20
128b99b70
135734791
1437c53da
15254e463
hex1996044

26828868 has 24 divisors (see below), whose sum is σ = 68292000. Its totient is φ = 8129920.

The previous prime is 26828849. The next prime is 26828899. The reversal of 26828868 is 86882862.

It is a super-3 number, since 3×268288683 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 101493 + ... + 101756.

It is an arithmetic number, because the mean of its divisors is an integer number (2845500).

Almost surely, 226828868 is an apocalyptic number.

It is an amenable number.

26828868 is an abundant number, since it is smaller than the sum of its proper divisors (41463132).

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

26828868 is a wasteful number, since it uses less digits than its factorization.

26828868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203267 (or 203265 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The square root of 26828868 is about 5179.6590621391. The cubic root of 26828868 is about 299.3648339404.

The spelling of 26828868 in words is "twenty-six million, eight hundred twenty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 203249 406498 609747 812996 1219494 2235739 2438988 4471478 6707217 8942956 13414434 26828868