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226430399 = 1317417723
BaseRepresentation
bin11010111111100…
…00110110111111
3120210001212010002
431133300312333
5430431233044
634245104515
75416424636
oct1537606677
9523055102
10226430399
111068a5568
12639b813b
1337bac5b0
142210251d
1514d2a74e
hexd7f0dbf

226430399 has 4 divisors (see below), whose sum is σ = 243848136. Its totient is φ = 209012664.

The previous prime is 226430371. The next prime is 226430401. The reversal of 226430399 is 993034622.

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 226430399 - 28 = 226430143 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 (226430899) 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, 8708849 + ... + 8708874.

It is an arithmetic number, because the mean of its divisors is an integer number (60962034).

Almost surely, 2226430399 is an apocalyptic number.

226430399 is a deficient number, since it is larger than the sum of its proper divisors (17417737).

226430399 is a wasteful number, since it uses less digits than its factorization.

226430399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17417736.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 226430399 is about 15047.6044272834. The cubic root of 226430399 is about 609.5063631558.

The spelling of 226430399 in words is "two hundred twenty-six million, four hundred thirty thousand, three hundred ninety-nine".

Divisors: 1 13 17417723 226430399