Base | Representation |
---|---|
bin | 10111100010001… |
… | …00000111011001 |
3 | 111202110112101020 |
4 | 23301010013121 |
5 | 401014130124 |
6 | 31331113053 |
7 | 4614653055 |
oct | 1361040731 |
9 | 452415336 |
10 | 197411289 |
11 | a1485029 |
12 | 56142789 |
13 | 31b8bc1a |
14 | 1c30ac65 |
15 | 124e7379 |
hex | bc441d9 |
197411289 has 4 divisors (see below), whose sum is σ = 263215056. Its totient is φ = 131607524.
The previous prime is 197411281. The next prime is 197411303. The reversal of 197411289 is 982114791.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 197411289 - 23 = 197411281 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 197411289.
It is not an unprimeable number, because it can be changed into a prime (197411281) 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 3 ways as a sum of consecutive naturals, for example, 32901879 + ... + 32901884.
It is an arithmetic number, because the mean of its divisors is an integer number (65803764).
Almost surely, 2197411289 is an apocalyptic number.
It is an amenable number.
197411289 is a deficient number, since it is larger than the sum of its proper divisors (65803767).
197411289 is an equidigital number, since it uses as much as digits as its factorization.
197411289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65803766.
The product of its digits is 36288, while the sum is 42.
The square root of 197411289 is about 14050.3127723193. The cubic root of 197411289 is about 582.2694368940.
The spelling of 197411289 in words is "one hundred ninety-seven million, four hundred eleven thousand, two hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •