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226473809 = 11312791567
BaseRepresentation
bin11010111111110…
…11011101010001
3120210011001122212
431133323131101
5430434130214
634250041505
75416665332
oct1537733521
9523131585
10226473809
11106925141
1263a19295
1337bc6293
1422114289
1514d3853e
hexd7fb751

226473809 has 8 divisors (see below), whose sum is σ = 228802560. Its totient is φ = 224150976.

The previous prime is 226473763. The next prime is 226473827. The reversal of 226473809 is 908374622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226473809 - 28 = 226473553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226473829) 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 7 ways as a sum of consecutive naturals, for example, 143744 + ... + 145310.

It is an arithmetic number, because the mean of its divisors is an integer number (28600320).

Almost surely, 2226473809 is an apocalyptic number.

It is an amenable number.

226473809 is a deficient number, since it is larger than the sum of its proper divisors (2328751).

226473809 is a wasteful number, since it uses less digits than its factorization.

226473809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 226473809 is about 15049.0467804443. The cubic root of 226473809 is about 609.5453110778.

The spelling of 226473809 in words is "two hundred twenty-six million, four hundred seventy-three thousand, eight hundred nine".

Divisors: 1 113 1279 1567 144527 177071 2004193 226473809