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226900447 = 265985333
BaseRepresentation
bin11011000011000…
…11100111011111
3120210221201220021
431201203213133
5431041303242
634303133011
75423423224
oct1541434737
9523851807
10226900447
11107096734
1263ba4167
1338015527
14221c594b
1514dbeb67
hexd8639df

226900447 has 4 divisors (see below), whose sum is σ = 226988440. Its totient is φ = 226812456.

The previous prime is 226900393. The next prime is 226900477. The reversal of 226900447 is 744009622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744009622 = 2372004811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226900447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226900477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40008 + ... + 45325.

It is an arithmetic number, because the mean of its divisors is an integer number (56747110).

Almost surely, 2226900447 is an apocalyptic number.

226900447 is a deficient number, since it is larger than the sum of its proper divisors (87993).

226900447 is an equidigital number, since it uses as much as digits as its factorization.

226900447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87992.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 226900447 is about 15063.2150286717. The cubic root of 226900447 is about 609.9278307525.

The spelling of 226900447 in words is "two hundred twenty-six million, nine hundred thousand, four hundred forty-seven".

Divisors: 1 2659 85333 226900447