Search a number
-
+
241608581 is a prime number
BaseRepresentation
bin11100110011010…
…10011110000101
3121211121222122222
432121222132011
5443322433311
635550302125
75662432124
oct1631523605
9554558588
10241608581
11114422115
1268ab7945
133b095076
1424133abb
1516327adb
hexe66a785

241608581 has 2 divisors, whose sum is σ = 241608582. Its totient is φ = 241608580.

The previous prime is 241608571. The next prime is 241608649. The reversal of 241608581 is 185806142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235131556 + 6477025 = 15334^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 241608581 - 26 = 241608517 is a prime.

It is a super-2 number, since 2×2416085812 = 116749412825667122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241608551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120804290 + 120804291.

It is an arithmetic number, because the mean of its divisors is an integer number (120804291).

Almost surely, 2241608581 is an apocalyptic number.

It is an amenable number.

241608581 is a deficient number, since it is larger than the sum of its proper divisors (1).

241608581 is an equidigital number, since it uses as much as digits as its factorization.

241608581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 241608581 is about 15543.7634117353. The cubic root of 241608581 is about 622.8318094709.

The spelling of 241608581 in words is "two hundred forty-one million, six hundred eight thousand, five hundred eighty-one".