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11966428 = 221928287
BaseRepresentation
bin101101101001…
…011111011100
3211111221212001
4231221133130
511030411203
61104252044
7203466355
oct55513734
924457761
1011966428
116833611
124011024
13262c936
141836d2c
1510b591d
hexb697dc

11966428 has 18 divisors (see below), whose sum is σ = 22104096. Its totient is φ = 5667624.

The previous prime is 11966389. The next prime is 11966441. The reversal of 11966428 is 82466911.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2700 + ... + 5587.

Almost surely, 211966428 is an apocalyptic number.

It is an amenable number.

11966428 is a deficient number, since it is larger than the sum of its proper divisors (10137668).

11966428 is a wasteful number, since it uses less digits than its factorization.

11966428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329 (or 8308 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 11966428 is about 3459.2525204154. The cubic root of 11966428 is about 228.7291471729.

The spelling of 11966428 in words is "eleven million, nine hundred sixty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 19 38 76 361 722 1444 8287 16574 33148 157453 314906 629812 2991607 5983214 11966428