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11228741 = 12139257
BaseRepresentation
bin101010110101…
…011001000101
3210010110221022
4222311121011
510333304431
61040400525
7164304566
oct52653105
923113838
1011228741
11637a357
123916145
132431c34
1416c416d
15ebc07b
hexab5645

11228741 has 4 divisors (see below), whose sum is σ = 11239212. Its totient is φ = 11218272.

The previous prime is 11228689. The next prime is 11228743. The reversal of 11228741 is 14782211.

11228741 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 semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 568516 + 10660225 = 754^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 11228741 - 222 = 7034437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11228741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (2809803).

Almost surely, 211228741 is an apocalyptic number.

It is an amenable number.

11228741 is a deficient number, since it is larger than the sum of its proper divisors (10471).

11228741 is an equidigital number, since it uses as much as digits as its factorization.

11228741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10470.

The product of its digits is 896, while the sum is 26.

The square root of 11228741 is about 3350.9313630691. The cubic root of 11228741 is about 223.9290073176.

The spelling of 11228741 in words is "eleven million, two hundred twenty-eight thousand, seven hundred forty-one".

Divisors: 1 1213 9257 11228741