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11870216 = 231787281
BaseRepresentation
bin101101010010…
…000000001000
3211100001212122
4231102000020
511014321331
61102230412
7202616021
oct55220010
924301778
1011870216
1167782a6
123b85408
1325c7bc7
14180dc48
15109717b
hexb52008

11870216 has 16 divisors (see below), whose sum is σ = 23566140. Its totient is φ = 5585920.

The previous prime is 11870207. The next prime is 11870219. The reversal of 11870216 is 61207811.

It can be written as a sum of positive squares in 2 ways, for example, as 9278116 + 2592100 = 3046^2 + 1610^2 .

It is not an unprimeable number, because it can be changed into a prime (11870219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43505 + ... + 43776.

Almost surely, 211870216 is an apocalyptic number.

It is an amenable number.

11870216 is a deficient number, since it is larger than the sum of its proper divisors (11695924).

11870216 is a wasteful number, since it uses less digits than its factorization.

11870216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87304 (or 87300 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 11870216 is about 3445.3179824219. The cubic root of 11870216 is about 228.1144905648.

The spelling of 11870216 in words is "eleven million, eight hundred seventy thousand, two hundred sixteen".

Divisors: 1 2 4 8 17 34 68 136 87281 174562 349124 698248 1483777 2967554 5935108 11870216