Base | Representation |
---|---|
bin | 10111011111000… |
… | …00111110000100 |
3 | 111201200220022110 |
4 | 23233200332010 |
5 | 400413131223 |
6 | 31314301020 |
7 | 4611342102 |
oct | 1357407604 |
9 | 451626273 |
10 | 197005188 |
11 | a1227a06 |
12 | 55b87770 |
13 | 31a79123 |
14 | 1c242c72 |
15 | 12466d93 |
hex | bbe0f84 |
197005188 has 24 divisors (see below), whose sum is σ = 470370208. Its totient is φ = 64141056.
The previous prime is 197005181. The next prime is 197005229. The reversal of 197005188 is 881500791.
197005188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1970051882 = 77622088197830688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (197005181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190381 + ... + 191412.
Almost surely, 2197005188 is an apocalyptic number.
It is an amenable number.
197005188 is an abundant number, since it is smaller than the sum of its proper divisors (273365020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197005188 is a wasteful number, since it uses less digits than its factorization.
197005188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381843 (or 381841 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 39.
The square root of 197005188 is about 14035.8536612491. The cubic root of 197005188 is about 581.8698945128.
The spelling of 197005188 in words is "one hundred ninety-seven million, five thousand, one hundred eighty-eight".
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