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11820193 = 711153509
BaseRepresentation
bin101101000101…
…110010100001
3211020112020221
4231011302201
511011221233
61101203041
7202320130
oct55056241
924215227
1011820193
116743760
123b60481
1325ab1c8
1417d9917
15108742d
hexb45ca1

11820193 has 8 divisors (see below), whose sum is σ = 14736960. Its totient is φ = 9210480.

The previous prime is 11820191. The next prime is 11820199. The reversal of 11820193 is 39102811.

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 11820193 - 21 = 11820191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11820191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76678 + ... + 76831.

It is an arithmetic number, because the mean of its divisors is an integer number (1842120).

Almost surely, 211820193 is an apocalyptic number.

It is an amenable number.

11820193 is a deficient number, since it is larger than the sum of its proper divisors (2916767).

11820193 is a wasteful number, since it uses less digits than its factorization.

11820193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153527.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11820193 is about 3438.0507558790. The cubic root of 11820193 is about 227.7936023289.

The spelling of 11820193 in words is "eleven million, eight hundred twenty thousand, one hundred ninety-three".

Divisors: 1 7 11 77 153509 1074563 1688599 11820193