Search a number
-
+
140223241 is a prime number
BaseRepresentation
bin10000101101110…
…10001100001001
3100202212002010101
420112322030021
5241344120431
621525245401
73321610054
oct1026721411
9322762111
10140223241
1172174884
123ab63861
1323087b42
14148a1a9b
15c49c961
hex85ba309

140223241 has 2 divisors, whose sum is σ = 140223242. Its totient is φ = 140223240.

The previous prime is 140223227. The next prime is 140223257. The reversal of 140223241 is 142322041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134444025 + 5779216 = 11595^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 140223241 - 29 = 140222729 is a prime.

It is not a weakly prime, because it can be changed into another prime (140223541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111620 + 70111621.

It is an arithmetic number, because the mean of its divisors is an integer number (70111621).

Almost surely, 2140223241 is an apocalyptic number.

It is an amenable number.

140223241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223241 is an equidigital number, since it uses as much as digits as its factorization.

140223241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140223241 is about 11841.5894625679. The cubic root of 140223241 is about 519.5252582774.

Adding to 140223241 its reverse (142322041), we get a palindrome (282545282).

The spelling of 140223241 in words is "one hundred forty million, two hundred twenty-three thousand, two hundred forty-one".