Base | Representation |
---|---|
bin | 10111100110100… |
… | …10001001010001 |
3 | 111210120002101121 |
4 | 23303102021101 |
5 | 401141234131 |
6 | 31351402241 |
7 | 4622625121 |
oct | 1363221121 |
9 | 453502347 |
10 | 197993041 |
11 | a1842114 |
12 | 56383381 |
13 | 3203395c |
14 | 1c41cc81 |
15 | 125ae911 |
hex | bcd2251 |
197993041 has 3 divisors (see below), whose sum is σ = 198007113. Its totient is φ = 197978970.
The previous prime is 197993023. The next prime is 197993051. The reversal of 197993041 is 140399791.
It is a happy number.
The square root of 197993041 is 14071.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 140399791 = 7 ⋅20057113.
It is a de Polignac number, because none of the positive numbers 2k-197993041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (197993021) 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 2 ways as a sum of consecutive naturals, for example, 7036 + ... + 21106.
It is an arithmetic number, because the mean of its divisors is an integer number (66002371).
Almost surely, 2197993041 is an apocalyptic number.
197993041 is the 14071-st square number.
197993041 is the 7036-th centered octagonal number.
It is an amenable number.
197993041 is a deficient number, since it is larger than the sum of its proper divisors (14072).
197993041 is an frugal number, since it uses more digits than its factorization.
197993041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28142 (or 14071 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 43.
The cubic root of 197993041 is about 582.8408399002.
The spelling of 197993041 in words is "one hundred ninety-seven million, nine hundred ninety-three thousand, forty-one".
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