Base | Representation |
---|---|
bin | 10111000011011… |
… | …10110110101101 |
3 | 111110220100000100 |
4 | 23201232312231 |
5 | 344002021140 |
6 | 31105021313 |
7 | 4535543130 |
oct | 1341566655 |
9 | 443810010 |
10 | 193392045 |
11 | 9a18a340 |
12 | 54924839 |
13 | 310b2682 |
14 | 1b982217 |
15 | 11ea1530 |
hex | b86edad |
193392045 has 48 divisors (see below), whose sum is σ = 417935232. Its totient is φ = 80369280.
The previous prime is 193392041. The next prime is 193392091. The reversal of 193392045 is 540293391.
It is a happy number.
It is not a de Polignac number, because 193392045 - 22 = 193392041 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193392041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24442 + ... + 31371.
It is an arithmetic number, because the mean of its divisors is an integer number (8706984).
Almost surely, 2193392045 is an apocalyptic number.
193392045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
193392045 is an abundant number, since it is smaller than the sum of its proper divisors (224543187).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193392045 is a wasteful number, since it uses less digits than its factorization.
193392045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55842 (or 55839 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 193392045 is about 13906.5468395285. The cubic root of 193392045 is about 578.2906918115.
The spelling of 193392045 in words is "one hundred ninety-three million, three hundred ninety-two thousand, forty-five".
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