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227989441 is a prime number
BaseRepresentation
bin11011001011011…
…01011111000001
3120220000001201101
431211231133001
5431331130231
634342334401
75435610151
oct1545553701
9526001641
10227989441
1110776a929
126442a401
13383070c4
14223ca761
1515037661
hexd96d7c1

227989441 has 2 divisors, whose sum is σ = 227989442. Its totient is φ = 227989440.

The previous prime is 227989429. The next prime is 227989457. The reversal of 227989441 is 144989722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225000000 + 2989441 = 15000^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 227989441 - 217 = 227858369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227989391 and 227989400.

It is not a weakly prime, because it can be changed into another prime (227989471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113994720 + 113994721.

It is an arithmetic number, because the mean of its divisors is an integer number (113994721).

Almost surely, 2227989441 is an apocalyptic number.

It is an amenable number.

227989441 is a deficient number, since it is larger than the sum of its proper divisors (1).

227989441 is an equidigital number, since it uses as much as digits as its factorization.

227989441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 227989441 is about 15099.3192230643. The cubic root of 227989441 is about 610.9020435608.

The spelling of 227989441 in words is "two hundred twenty-seven million, nine hundred eighty-nine thousand, four hundred forty-one".