Search a number
-
+
230020177 is a prime number
BaseRepresentation
bin11011011010111…
…01010001010001
3121000211020100211
431231131101101
5432341121202
634454044121
75462065522
oct1555352121
9530736324
10230020177
11108927622
1265049641
133886851a
1422798849
15152d91d7
hexdb5d451

230020177 has 2 divisors, whose sum is σ = 230020178. Its totient is φ = 230020176.

The previous prime is 230020151. The next prime is 230020181. The reversal of 230020177 is 771020032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143976001 + 86044176 = 11999^2 + 9276^2 .

It is a cyclic number.

It is not a de Polignac number, because 230020177 - 223 = 221631569 is a prime.

It is a super-2 number, since 2×2300201772 = 105818563654222658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230020187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115010088 + 115010089.

It is an arithmetic number, because the mean of its divisors is an integer number (115010089).

Almost surely, 2230020177 is an apocalyptic number.

It is an amenable number.

230020177 is a deficient number, since it is larger than the sum of its proper divisors (1).

230020177 is an equidigital number, since it uses as much as digits as its factorization.

230020177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 230020177 is about 15166.4160895051. The cubic root of 230020177 is about 612.7104833728.

The spelling of 230020177 in words is "two hundred thirty million, twenty thousand, one hundred seventy-seven".