Search a number
-
+
289822195 = 51323193861
BaseRepresentation
bin10001010001100…
…101010111110011
3202012100111022101
4101101211113303
51043143302240
644431521231
710116306445
oct2121452763
9665314271
10289822195
11139662783
1281089217
1348076330
142a6c4495
151a69d39a
hex114655f3

289822195 has 16 divisors (see below), whose sum is σ = 390825792. Its totient is φ = 204716160.

The previous prime is 289822189. The next prime is 289822217. The reversal of 289822195 is 591228982.

It is not a de Polignac number, because 289822195 - 23 = 289822187 is a prime.

It is a super-3 number, since 3×2898221953 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95436 + ... + 98425.

It is an arithmetic number, because the mean of its divisors is an integer number (24426612).

Almost surely, 2289822195 is an apocalyptic number.

289822195 is a deficient number, since it is larger than the sum of its proper divisors (101003597).

289822195 is a wasteful number, since it uses less digits than its factorization.

289822195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193902.

The product of its digits is 207360, while the sum is 46.

The square root of 289822195 is about 17024.1650309200. The cubic root of 289822195 is about 661.7752901194.

The spelling of 289822195 in words is "two hundred eighty-nine million, eight hundred twenty-two thousand, one hundred ninety-five".

Divisors: 1 5 13 23 65 115 299 1495 193861 969305 2520193 4458803 12600965 22294015 57964439 289822195