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11243473 = 53212141
BaseRepresentation
bin101010111000…
…111111010001
3210011020010221
4222320333101
510334242343
61040553041
7164365543
oct52707721
923136127
1011243473
11638a42a
123922781
132438857
1416c9693
15ec15ed
hexab8fd1

11243473 has 4 divisors (see below), whose sum is σ = 11455668. Its totient is φ = 11031280.

The previous prime is 11243467. The next prime is 11243509. The reversal of 11243473 is 37434211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37434211 = 215317387.

It can be written as a sum of positive squares in 2 ways, for example, as 8363664 + 2879809 = 2892^2 + 1697^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243473 - 213 = 11235281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243413) 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, 106018 + ... + 106123.

It is an arithmetic number, because the mean of its divisors is an integer number (2863917).

Almost surely, 211243473 is an apocalyptic number.

It is an amenable number.

11243473 is a deficient number, since it is larger than the sum of its proper divisors (212195).

11243473 is an equidigital number, since it uses as much as digits as its factorization.

11243473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212194.

The product of its digits is 2016, while the sum is 25.

The square root of 11243473 is about 3353.1288373697. The cubic root of 11243473 is about 224.0268954207.

Adding to 11243473 its reverse (37434211), we get a palindrome (48677684).

The spelling of 11243473 in words is "eleven million, two hundred forty-three thousand, four hundred seventy-three".

Divisors: 1 53 212141 11243473