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11220833 = 131750773
BaseRepresentation
bin101010110011…
…011101100001
3210010002002102
4222303131201
510333031313
61040300145
7164242541
oct52633541
923102072
1011220833
116374418
123911655
13242b460
1416c1321
15eb9a58
hexab3761

11220833 has 8 divisors (see below), whose sum is σ = 12795048. Its totient is φ = 9748224.

The previous prime is 11220821. The next prime is 11220841. The reversal of 11220833 is 33802211.

It can be written as a sum of positive squares in 4 ways, for example, as 2411809 + 8809024 = 1553^2 + 2968^2 .

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 11220833 - 24 = 11220817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11220533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25166 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (1599381).

Almost surely, 211220833 is an apocalyptic number.

11220833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11220833 is a deficient number, since it is larger than the sum of its proper divisors (1574215).

11220833 is a wasteful number, since it uses less digits than its factorization.

11220833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50803.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11220833 is about 3349.7511847897. The cubic root of 11220833 is about 223.8764265797.

The spelling of 11220833 in words is "eleven million, two hundred twenty thousand, eight hundred thirty-three".

Divisors: 1 13 17 221 50773 660049 863141 11220833