Base | Representation |
---|---|
bin | 10111100001101… |
… | …00101011110001 |
3 | 111202100022200012 |
4 | 23300310223301 |
5 | 401010114311 |
6 | 31325504305 |
7 | 4614300560 |
oct | 1360645361 |
9 | 452308605 |
10 | 197348081 |
11 | a1441597 |
12 | 56112095 |
13 | 31b69218 |
14 | 1c2d1bd7 |
15 | 124d378b |
hex | bc34af1 |
197348081 has 4 divisors (see below), whose sum is σ = 225540672. Its totient is φ = 169155492.
The previous prime is 197348051. The next prime is 197348093. The reversal of 197348081 is 180843791.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 197348081 - 26 = 197348017 is a prime.
It is a super-2 number, since 2×1973480812 = 77892530148765122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (197348051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14096285 + ... + 14096298.
It is an arithmetic number, because the mean of its divisors is an integer number (56385168).
Almost surely, 2197348081 is an apocalyptic number.
It is an amenable number.
197348081 is a deficient number, since it is larger than the sum of its proper divisors (28192591).
197348081 is an equidigital number, since it uses as much as digits as its factorization.
197348081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28192590.
The product of its (nonzero) digits is 48384, while the sum is 41.
The square root of 197348081 is about 14048.0632472950. The cubic root of 197348081 is about 582.2072857450.
The spelling of 197348081 in words is "one hundred ninety-seven million, three hundred forty-eight thousand, eighty-one".
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