Base | Representation |
---|---|
bin | 10111011111101… |
… | …01100010110100 |
3 | 111201212011220122 |
4 | 23233311202310 |
5 | 400423330320 |
6 | 31320151112 |
7 | 4612142561 |
oct | 1357654264 |
9 | 451764818 |
10 | 197089460 |
11 | a1285257 |
12 | 56008498 |
13 | 31aa85a9 |
14 | 1c265868 |
15 | 12481d25 |
hex | bbf58b4 |
197089460 has 24 divisors (see below), whose sum is σ = 423984456. Its totient is φ = 76912640.
The previous prime is 197089447. The next prime is 197089469. The reversal of 197089460 is 64980791.
It can be written as a sum of positive squares in 4 ways, for example, as 21473956 + 175615504 = 4634^2 + 13252^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197089469) 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 7 ways as a sum of consecutive naturals, for example, 119357 + ... + 120996.
It is an arithmetic number, because the mean of its divisors is an integer number (17666019).
Almost surely, 2197089460 is an apocalyptic number.
197089460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
197089460 is an abundant number, since it is smaller than the sum of its proper divisors (226894996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197089460 is a wasteful number, since it uses less digits than its factorization.
197089460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240403 (or 240401 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 197089460 is about 14038.8553664464. The cubic root of 197089460 is about 581.9528506184.
The spelling of 197089460 in words is "one hundred ninety-seven million, eighty-nine thousand, four hundred sixty".
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