Search a number
-
+
182501993 is a prime number
BaseRepresentation
bin10101110000011…
…00001001101001
3110201102001200002
422320030021221
5333210030433
630035352345
74344145532
oct1270141151
9421361602
10182501993
11940214a3
12511526b5
132ba6b95b
141a349689
151104e9e8
hexae0c269

182501993 has 2 divisors, whose sum is σ = 182501994. Its totient is φ = 182501992.

The previous prime is 182501833. The next prime is 182502007. The reversal of 182501993 is 399105281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139310809 + 43191184 = 11803^2 + 6572^2 .

It is a cyclic number.

It is not a de Polignac number, because 182501993 - 214 = 182485609 is a prime.

It is not a weakly prime, because it can be changed into another prime (182507993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91250996 + 91250997.

It is an arithmetic number, because the mean of its divisors is an integer number (91250997).

Almost surely, 2182501993 is an apocalyptic number.

It is an amenable number.

182501993 is a deficient number, since it is larger than the sum of its proper divisors (1).

182501993 is an equidigital number, since it uses as much as digits as its factorization.

182501993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 182501993 is about 13509.3298501443. The cubic root of 182501993 is about 567.2256618091.

The spelling of 182501993 in words is "one hundred eighty-two million, five hundred one thousand, nine hundred ninety-three".