Search a number
-
+
189716513 = 7139194981
BaseRepresentation
bin10110100111011…
…01100000100001
3111012222121010112
423103231200201
5342031412023
630454141105
74462364240
oct1323554041
9435877115
10189716513
11980a9908
1253651795
13303c66bc
141b2a6957
15119c7478
hexb4ed821

189716513 has 8 divisors (see below), whose sum is σ = 218379840. Its totient is φ = 161443440.

The previous prime is 189716477. The next prime is 189716519. The reversal of 189716513 is 315617981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189716513 - 216 = 189650977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189716519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96518 + ... + 98463.

It is an arithmetic number, because the mean of its divisors is an integer number (27297480).

Almost surely, 2189716513 is an apocalyptic number.

It is an amenable number.

189716513 is a deficient number, since it is larger than the sum of its proper divisors (28663327).

189716513 is a wasteful number, since it uses less digits than its factorization.

189716513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195127.

The product of its digits is 45360, while the sum is 41.

The square root of 189716513 is about 13773.7617592290. The cubic root of 189716513 is about 574.6036467012.

The spelling of 189716513 in words is "one hundred eighty-nine million, seven hundred sixteen thousand, five hundred thirteen".

Divisors: 1 7 139 973 194981 1364867 27102359 189716513