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226078789 = 474810187
BaseRepresentation
bin11010111100110…
…11000001000101
3120202101222210111
431132123001011
5430334010124
634233353021
75413431556
oct1536330105
9522358714
10226078789
11106685382
1263868771
1337ab8541
142205032d
1514cab494
hexd79b045

226078789 has 4 divisors (see below), whose sum is σ = 230889024. Its totient is φ = 221268556.

The previous prime is 226078781. The next prime is 226078793. The reversal of 226078789 is 987870622.

226078789 is digitally balanced in base 2, because in such base 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226078789 - 23 = 226078781 is a prime.

It is a super-2 number, since 2×2260787892 = 102223237671413042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226078781) 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, 2405047 + ... + 2405140.

It is an arithmetic number, because the mean of its divisors is an integer number (57722256).

Almost surely, 2226078789 is an apocalyptic number.

It is an amenable number.

226078789 is a deficient number, since it is larger than the sum of its proper divisors (4810235).

226078789 is an equidigital number, since it uses as much as digits as its factorization.

226078789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810234.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 226078789 is about 15035.9166331820. The cubic root of 226078789 is about 609.1907112557.

The spelling of 226078789 in words is "two hundred twenty-six million, seventy-eight thousand, seven hundred eighty-nine".

Divisors: 1 47 4810187 226078789