Base | Representation |
---|---|
bin | 10111000001000… |
… | …11111000100101 |
3 | 111110022201210000 |
4 | 23200203320211 |
5 | 343412204330 |
6 | 31054251513 |
7 | 4533123633 |
oct | 1340437045 |
9 | 443281700 |
10 | 193084965 |
11 | 99a9a657 |
12 | 547b6b99 |
13 | 31005978 |
14 | 1b902353 |
15 | 11e40560 |
hex | b823e25 |
193084965 has 20 divisors (see below), whose sum is σ = 346123404. Its totient is φ = 102978432.
The previous prime is 193084909. The next prime is 193085041. The reversal of 193084965 is 569480391.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 76055841 + 117029124 = 8721^2 + 10818^2 .
It is not a de Polignac number, because 193084965 - 26 = 193084901 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 193084965.
It is a congruent number.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 237972 + ... + 238781.
Almost surely, 2193084965 is an apocalyptic number.
193084965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
193084965 is a deficient number, since it is larger than the sum of its proper divisors (153038439).
193084965 is an equidigital number, since it uses as much as digits as its factorization.
193084965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476770 (or 476761 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 193084965 is about 13895.5016102334. The cubic root of 193084965 is about 577.9844476046.
The spelling of 193084965 in words is "one hundred ninety-three million, eighty-four thousand, nine hundred sixty-five".
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