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27968122 = 2721329757
BaseRepresentation
bin110101010110…
…0001001111010
31221121221001101
41222230021322
524124434442
62435242014
7456503500
oct152541172
957557041
1027968122
1114872956
12944930a
135a431b0
143a00670
1526c6cb7
hex1aac27a

27968122 has 48 divisors (see below), whose sum is σ = 54439560. Its totient is φ = 10668672.

The previous prime is 27968119. The next prime is 27968131. The reversal of 27968122 is 22186972.

It can be written as a sum of positive squares in 4 ways, for example, as 21150801 + 6817321 = 4599^2 + 2611^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36568 + ... + 37324.

Almost surely, 227968122 is an apocalyptic number.

27968122 is a deficient number, since it is larger than the sum of its proper divisors (26471438).

27968122 is a wasteful number, since it uses less digits than its factorization.

27968122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 808 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 27968122 is about 5288.4895764292. The cubic root of 27968122 is about 303.5436148754.

The spelling of 27968122 in words is "twenty-seven million, nine hundred sixty-eight thousand, one hundred twenty-two".

Divisors: 1 2 7 13 14 26 29 49 58 91 98 182 203 377 406 637 754 757 1274 1421 1514 2639 2842 5278 5299 9841 10598 18473 19682 21953 36946 37093 43906 68887 74186 137774 153671 285389 307342 482209 570778 964418 1075697 1997723 2151394 3995446 13984061 27968122