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227341813 is a prime number
BaseRepresentation
bin11011000110011…
…11010111110101
3120211210011100011
431203033113311
5431144414223
634320420221
75430242056
oct1543172765
9524704304
10227341813
111073682a6
1264177671
133813b3aa
142229c72d
1514e5a80d
hexd8cf5f5

227341813 has 2 divisors, whose sum is σ = 227341814. Its totient is φ = 227341812.

The previous prime is 227341781. The next prime is 227341823. The reversal of 227341813 is 318143722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193154404 + 34187409 = 13898^2 + 5847^2 .

It is a cyclic number.

It is not a de Polignac number, because 227341813 - 25 = 227341781 is a prime.

It is equal to p12504586 and since 227341813 and 12504586 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227341823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113670906 + 113670907.

It is an arithmetic number, because the mean of its divisors is an integer number (113670907).

Almost surely, 2227341813 is an apocalyptic number.

It is an amenable number.

227341813 is a deficient number, since it is larger than the sum of its proper divisors (1).

227341813 is an equidigital number, since it uses as much as digits as its factorization.

227341813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 227341813 is about 15077.8583691451. The cubic root of 227341813 is about 610.3230511366.

The spelling of 227341813 in words is "two hundred twenty-seven million, three hundred forty-one thousand, eight hundred thirteen".