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227428559 is a prime number
BaseRepresentation
bin11011000111001…
…00100011001111
3120211221120022222
431203210203033
5431210203214
634322325555
75431053011
oct1543444317
9524846288
10227428559
11107417496
12641b98bb
133816ba17
14222c21b1
1514e7638e
hexd8e48cf

227428559 has 2 divisors, whose sum is σ = 227428560. Its totient is φ = 227428558.

The previous prime is 227428547. The next prime is 227428573. The reversal of 227428559 is 955824722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227428559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227424559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113714279 + 113714280.

It is an arithmetic number, because the mean of its divisors is an integer number (113714280).

Almost surely, 2227428559 is an apocalyptic number.

227428559 is a deficient number, since it is larger than the sum of its proper divisors (1).

227428559 is an equidigital number, since it uses as much as digits as its factorization.

227428559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 227428559 is about 15080.7346969569. The cubic root of 227428559 is about 610.4006675245.

The spelling of 227428559 in words is "two hundred twenty-seven million, four hundred twenty-eight thousand, five hundred fifty-nine".