Base | Representation |
---|---|
bin | 10111000011101… |
… | …00001101001101 |
3 | 111110221110002012 |
4 | 23201310031031 |
5 | 344003221330 |
6 | 31105311005 |
7 | 4535664053 |
oct | 1341641515 |
9 | 443843065 |
10 | 193413965 |
11 | 9a1a4858 |
12 | 54935465 |
13 | 310bc644 |
14 | 1b98a1d3 |
15 | 11ea7c95 |
hex | b87434d |
193413965 has 4 divisors (see below), whose sum is σ = 232096764. Its totient is φ = 154731168.
The previous prime is 193413931. The next prime is 193413971. The reversal of 193413965 is 569314391.
193413965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 102535876 + 90878089 = 10126^2 + 9533^2 .
It is a cyclic number.
It is not a de Polignac number, because 193413965 - 210 = 193412941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19341392 + ... + 19341401.
It is an arithmetic number, because the mean of its divisors is an integer number (58024191).
Almost surely, 2193413965 is an apocalyptic number.
It is an amenable number.
193413965 is a deficient number, since it is larger than the sum of its proper divisors (38682799).
193413965 is an equidigital number, since it uses as much as digits as its factorization.
193413965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38682798.
The product of its digits is 87480, while the sum is 41.
The square root of 193413965 is about 13907.3349352060. The cubic root of 193413965 is about 578.3125397509.
The spelling of 193413965 in words is "one hundred ninety-three million, four hundred thirteen thousand, nine hundred sixty-five".
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