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11916833 = 89257521
BaseRepresentation
bin101101011101…
…011000100001
3211102102211012
4231131120201
511022314313
61103230305
7203201645
oct55353041
924372735
1011916833
1167aa325
123ba8395
1326131a6
141822c25
1510a5da8
hexb5d621

11916833 has 8 divisors (see below), whose sum is σ = 12120840. Its totient is φ = 11714560.

The previous prime is 11916823. The next prime is 11916841. The reversal of 11916833 is 33861911.

11916833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2226064 + 9690769 = 1492^2 + 3113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11916833 - 28 = 11916577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11916833.

It is not an unprimeable number, because it can be changed into a prime (11916823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22613 + ... + 23133.

It is an arithmetic number, because the mean of its divisors is an integer number (1515105).

Almost surely, 211916833 is an apocalyptic number.

It is an amenable number.

11916833 is a deficient number, since it is larger than the sum of its proper divisors (204007).

11916833 is an equidigital number, since it uses as much as digits as its factorization.

11916833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867.

The product of its digits is 3888, while the sum is 32.

The square root of 11916833 is about 3452.0766213976. The cubic root of 11916833 is about 228.4127194199.

The spelling of 11916833 in words is "eleven million, nine hundred sixteen thousand, eight hundred thirty-three".

Divisors: 1 89 257 521 22873 46369 133897 11916833