Search a number
-
+
227390533 is a prime number
BaseRepresentation
bin11011000110110…
…11010001000101
3120211212122011121
431203123101011
5431202444113
634321433541
75430534106
oct1543332105
9524778147
10227390533
111073a0967
126419b8b1
1338157616
14222b23ad
1514e69e8d
hexd8db445

227390533 has 2 divisors, whose sum is σ = 227390534. Its totient is φ = 227390532.

The previous prime is 227390531. The next prime is 227390591. The reversal of 227390533 is 335093722.

It is a happy number.

227390533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129914404 + 97476129 = 11398^2 + 9873^2 .

It is a cyclic number.

It is not a de Polignac number, because 227390533 - 21 = 227390531 is a prime.

Together with 227390531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227390531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113695266 + 113695267.

It is an arithmetic number, because the mean of its divisors is an integer number (113695267).

Almost surely, 2227390533 is an apocalyptic number.

It is an amenable number.

227390533 is a deficient number, since it is larger than the sum of its proper divisors (1).

227390533 is an equidigital number, since it uses as much as digits as its factorization.

227390533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 227390533 is about 15079.4738966583. The cubic root of 227390533 is about 610.3666460137.

The spelling of 227390533 in words is "two hundred twenty-seven million, three hundred ninety thousand, five hundred thirty-three".