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227884997 is a prime number
BaseRepresentation
bin11011001010100…
…11111111000101
3120212210202110002
431211103333011
5431314304442
634340211045
75434663514
oct1545237705
9525722402
10227884997
111076a940a
1264399a85
133829b6c2
14223a067b
1515016732
hexd953fc5

227884997 has 2 divisors, whose sum is σ = 227884998. Its totient is φ = 227884996.

The previous prime is 227884933. The next prime is 227885003. The reversal of 227884997 is 799488722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227135041 + 749956 = 15071^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 227884997 - 26 = 227884933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227884927) 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 as a sum of consecutive naturals, namely, 113942498 + 113942499.

It is an arithmetic number, because the mean of its divisors is an integer number (113942499).

Almost surely, 2227884997 is an apocalyptic number.

It is an amenable number.

227884997 is a deficient number, since it is larger than the sum of its proper divisors (1).

227884997 is an equidigital number, since it uses as much as digits as its factorization.

227884997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 56.

The square root of 227884997 is about 15095.8602603495. The cubic root of 227884997 is about 610.8087427505.

The spelling of 227884997 in words is "two hundred twenty-seven million, eight hundred eighty-four thousand, nine hundred ninety-seven".