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226681117 = 1317437009
BaseRepresentation
bin11011000001011…
…10000100011101
3120210112121000221
431200232010131
5431012243432
634254321341
75421520615
oct1540560435
9523477027
10226681117
11106a56973
1263ab9251
1337c69750
1422169a45
1514d79b97
hexd82e11d

226681117 has 4 divisors (see below), whose sum is σ = 244118140. Its totient is φ = 209244096.

The previous prime is 226681093. The next prime is 226681121. The reversal of 226681117 is 711186622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711186622 = 2355593311.

It can be written as a sum of positive squares in 2 ways, for example, as 54257956 + 172423161 = 7366^2 + 13131^2 .

It is a cyclic number.

It is not a de Polignac number, because 226681117 - 27 = 226680989 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 (226681177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8718492 + ... + 8718517.

It is an arithmetic number, because the mean of its divisors is an integer number (61029535).

Almost surely, 2226681117 is an apocalyptic number.

It is an amenable number.

226681117 is a deficient number, since it is larger than the sum of its proper divisors (17437023).

226681117 is a wasteful number, since it uses less digits than its factorization.

226681117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17437022.

The product of its digits is 8064, while the sum is 34.

The square root of 226681117 is about 15055.9329501695. The cubic root of 226681117 is about 609.7312414552.

The spelling of 226681117 in words is "two hundred twenty-six million, six hundred eighty-one thousand, one hundred seventeen".

Divisors: 1 13 17437009 226681117