Search a number
-
+
258179941 is a prime number
BaseRepresentation
bin11110110001110…
…00001101100101
3122222210220022001
433120320031211
51012043224231
641341405301
76253331125
oct1730701545
9588726261
10258179941
11122810458
1272569831
13416479c6
1426408c85
15179ecb61
hexf638365

258179941 has 2 divisors, whose sum is σ = 258179942. Its totient is φ = 258179940.

The previous prime is 258179921. The next prime is 258179947. The reversal of 258179941 is 149971852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187115041 + 71064900 = 13679^2 + 8430^2 .

It is a cyclic number.

It is not a de Polignac number, because 258179941 - 27 = 258179813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258179891 and 258179900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258179947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129089970 + 129089971.

It is an arithmetic number, because the mean of its divisors is an integer number (129089971).

Almost surely, 2258179941 is an apocalyptic number.

It is an amenable number.

258179941 is a deficient number, since it is larger than the sum of its proper divisors (1).

258179941 is an equidigital number, since it uses as much as digits as its factorization.

258179941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 258179941 is about 16067.9787465630. The cubic root of 258179941 is about 636.7576418824.

The spelling of 258179941 in words is "two hundred fifty-eight million, one hundred seventy-nine thousand, nine hundred forty-one".