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226442443 = 257881099
BaseRepresentation
bin11010111111100…
…11110011001011
3120210002110122011
431133303303023
5430432124233
634245240351
75416505023
oct1537636313
9523073564
10226442443
11106903617
1263a030b7
1337bb4c16
1422106a83
1514d2e0cd
hexd7f3ccb

226442443 has 4 divisors (see below), whose sum is σ = 227323800. Its totient is φ = 225561088.

The previous prime is 226442407. The next prime is 226442449. The reversal of 226442443 is 344244622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226442443 - 29 = 226441931 is a prime.

It is a super-3 number, since 3×2264424433 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226442449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440293 + ... + 440806.

It is an arithmetic number, because the mean of its divisors is an integer number (56830950).

Almost surely, 2226442443 is an apocalyptic number.

226442443 is a deficient number, since it is larger than the sum of its proper divisors (881357).

226442443 is an equidigital number, since it uses as much as digits as its factorization.

226442443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881356.

The product of its digits is 36864, while the sum is 31.

The square root of 226442443 is about 15048.0046185533. The cubic root of 226442443 is about 609.5171696619.

The spelling of 226442443 in words is "two hundred twenty-six million, four hundred forty-two thousand, four hundred forty-three".

Divisors: 1 257 881099 226442443