Base | Representation |
---|---|
bin | 10111100000100… |
… | …11001101011100 |
3 | 111202002100121002 |
4 | 23300103031130 |
5 | 400441222342 |
6 | 31322525432 |
7 | 4613160050 |
oct | 1360231534 |
9 | 452070532 |
10 | 197210972 |
11 | a1358582 |
12 | 56066878 |
13 | 31b1b9aa |
14 | 1c297c60 |
15 | 124a7d32 |
hex | bc1335c |
197210972 has 24 divisors (see below), whose sum is σ = 394719360. Its totient is φ = 84455280.
The previous prime is 197210963. The next prime is 197210977. The reversal of 197210972 is 279012791.
197210972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197210977) 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, 70847 + ... + 73577.
It is an arithmetic number, because the mean of its divisors is an integer number (16446640).
Almost surely, 2197210972 is an apocalyptic number.
It is an amenable number.
197210972 is an abundant number, since it is smaller than the sum of its proper divisors (197508388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197210972 is a wasteful number, since it uses less digits than its factorization.
197210972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5321 (or 5319 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 38.
The square root of 197210972 is about 14043.1824028601. The cubic root of 197210972 is about 582.0724236070.
The spelling of 197210972 in words is "one hundred ninety-seven million, two hundred ten thousand, nine hundred seventy-two".
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