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11223149 = 72369709
BaseRepresentation
bin101010110100…
…000001101101
3210010012021012
4222310001231
510333120044
61040315005
7164252360
oct52640155
923105235
1011223149
116376133
123912a65
13242c522
1416c20d7
15eba59e
hexab406d

11223149 has 8 divisors (see below), whose sum is σ = 13384320. Its totient is φ = 9201456.

The previous prime is 11223139. The next prime is 11223151. The reversal of 11223149 is 94132211.

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 11223149 - 24 = 11223133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223109) 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, 34694 + ... + 35015.

It is an arithmetic number, because the mean of its divisors is an integer number (1673040).

Almost surely, 211223149 is an apocalyptic number.

It is an amenable number.

11223149 is a deficient number, since it is larger than the sum of its proper divisors (2161171).

11223149 is an equidigital number, since it uses as much as digits as its factorization.

11223149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69739.

The product of its digits is 432, while the sum is 23.

The square root of 11223149 is about 3350.0968642712. The cubic root of 11223149 is about 223.8918283517.

The spelling of 11223149 in words is "eleven million, two hundred twenty-three thousand, one hundred forty-nine".

Divisors: 1 7 23 161 69709 487963 1603307 11223149