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11828219 = 13909863
BaseRepresentation
bin101101000111…
…101111111011
3211020221021012
4231013233323
511012000334
61101304135
7202352414
oct55075773
924227235
1011828219
116749797
123b6504b
1325b1a60
1417dc80b
1510899ce
hexb47bfb

11828219 has 4 divisors (see below), whose sum is σ = 12738096. Its totient is φ = 10918344.

The previous prime is 11828207. The next prime is 11828227. The reversal of 11828219 is 91282811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91282811 = 372467103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11828219 is a prime.

It is a super-2 number, since 2×118282192 = 279813529423922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11828249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454919 + ... + 454944.

It is an arithmetic number, because the mean of its divisors is an integer number (3184524).

Almost surely, 211828219 is an apocalyptic number.

11828219 is a deficient number, since it is larger than the sum of its proper divisors (909877).

11828219 is an equidigital number, since it uses as much as digits as its factorization.

11828219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909876.

The product of its digits is 2304, while the sum is 32.

The square root of 11828219 is about 3439.2177889747. The cubic root of 11828219 is about 227.8451485206.

The spelling of 11828219 in words is "eleven million, eight hundred twenty-eight thousand, two hundred nineteen".

Divisors: 1 13 909863 11828219