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11838043 = 77123819
BaseRepresentation
bin101101001010…
…001001011011
3211021102202001
4231022021123
511012304133
61101421431
7202423150
oct55121133
924242661
1011838043
116756108
123b6a877
1325b6379
141802227
15108c87d
hexb4a25b

11838043 has 8 divisors (see below), whose sum is σ = 13720320. Its totient is φ = 10003560.

The previous prime is 11838023. The next prime is 11838049. The reversal of 11838043 is 34083811.

11838043 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11838043 - 25 = 11838011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11838049) 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, 11413 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (1715040).

Almost surely, 211838043 is an apocalyptic number.

11838043 is a deficient number, since it is larger than the sum of its proper divisors (1882277).

11838043 is an equidigital number, since it uses as much as digits as its factorization.

11838043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23897.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 11838043 is about 3440.6457242791. The cubic root of 11838043 is about 227.9082104613.

The spelling of 11838043 in words is "eleven million, eight hundred thirty-eight thousand, forty-three".

Divisors: 1 7 71 497 23819 166733 1691149 11838043