Base | Representation |
---|---|
bin | 10111011111011… |
… | …11001100111001 |
3 | 111201210212021110 |
4 | 23233233030321 |
5 | 400422012411 |
6 | 31315430533 |
7 | 4612004046 |
oct | 1357571471 |
9 | 451725243 |
10 | 197063481 |
11 | a126778a |
12 | 55bb5449 |
13 | 31a99814 |
14 | 1c25a1cd |
15 | 124792a6 |
hex | bbef339 |
197063481 has 16 divisors (see below), whose sum is σ = 267724800. Its totient is φ = 128897808.
The previous prime is 197063441. The next prime is 197063491. The reversal of 197063481 is 184360791.
It is not a de Polignac number, because 197063481 - 27 = 197063353 is a prime.
It is a super-2 number, since 2×1970634812 = 77668031087674722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (197063401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147840 + ... + 149166.
It is an arithmetic number, because the mean of its divisors is an integer number (16732800).
Almost surely, 2197063481 is an apocalyptic number.
It is an amenable number.
197063481 is a deficient number, since it is larger than the sum of its proper divisors (70661319).
197063481 is a wasteful number, since it uses less digits than its factorization.
197063481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2228.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 197063481 is about 14037.9300824587. The cubic root of 197063481 is about 581.9272797982.
The spelling of 197063481 in words is "one hundred ninety-seven million, sixty-three thousand, four hundred eighty-one".
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