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27968676 = 2238328081
BaseRepresentation
bin110101010110…
…0010010100100
31221121221210220
41222230102210
524124444201
62435244340
7456505221
oct152542244
957557726
1027968676
111487330a
1294496b0
135a43518
143a00948
1526c7036
hex1aac4a4

27968676 has 24 divisors (see below), whose sum is σ = 66048864. Its totient is φ = 9210240.

The previous prime is 27968671. The next prime is 27968693. The reversal of 27968676 is 67686972.

It is not an unprimeable number, because it can be changed into a prime (27968671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13045 + ... + 15036.

It is an arithmetic number, because the mean of its divisors is an integer number (2752036).

Almost surely, 227968676 is an apocalyptic number.

It is an amenable number.

27968676 is an abundant number, since it is smaller than the sum of its proper divisors (38080188).

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

27968676 is a wasteful number, since it uses less digits than its factorization.

27968676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28171 (or 28169 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 27968676 is about 5288.5419540739. The cubic root of 27968676 is about 303.5456190864.

The spelling of 27968676 in words is "twenty-seven million, nine hundred sixty-eight thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 28081 56162 84243 112324 168486 336972 2330723 4661446 6992169 9322892 13984338 27968676