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11978968 = 231978809
BaseRepresentation
bin101101101100…
…100011011000
3211112121001111
4231230203120
511031311333
61104430104
7203551051
oct55544330
924477044
1011978968
116841a81
124018334
132635561
14183b728
1510b94cd
hexb6c8d8

11978968 has 16 divisors (see below), whose sum is σ = 23643000. Its totient is φ = 5674176.

The previous prime is 11978959. The next prime is 11979029. The reversal of 11978968 is 86987911.

11978968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is a congruent number.

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, 39253 + ... + 39556.

Almost surely, 211978968 is an apocalyptic number.

It is an amenable number.

11978968 is a deficient number, since it is larger than the sum of its proper divisors (11664032).

11978968 is a wasteful number, since it uses less digits than its factorization.

11978968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78834 (or 78830 counting only the distinct ones).

The product of its digits is 217728, while the sum is 49.

The square root of 11978968 is about 3461.0645761095. The cubic root of 11978968 is about 228.8090167930.

The spelling of 11978968 in words is "eleven million, nine hundred seventy-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 19 38 76 152 78809 157618 315236 630472 1497371 2994742 5989484 11978968