Base | Representation |
---|---|
bin | 10111100010100… |
… | …01111100001001 |
3 | 111202120102001102 |
4 | 23301101330021 |
5 | 401022433123 |
6 | 31332231145 |
7 | 4615310126 |
oct | 1361217411 |
9 | 452512042 |
10 | 197467913 |
11 | a1513625 |
12 | 5616b4b5 |
13 | 31bab926 |
14 | 1c32374d |
15 | 12509028 |
hex | bc51f09 |
197467913 has 4 divisors (see below), whose sum is σ = 197539200. Its totient is φ = 197396628.
The previous prime is 197467901. The next prime is 197467979. The reversal of 197467913 is 319764791.
197467913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 197467913 - 28 = 197467657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (193467913) 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, 31313 + ... + 37086.
It is an arithmetic number, because the mean of its divisors is an integer number (49384800).
Almost surely, 2197467913 is an apocalyptic number.
It is an amenable number.
197467913 is a deficient number, since it is larger than the sum of its proper divisors (71287).
197467913 is an equidigital number, since it uses as much as digits as its factorization.
197467913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71286.
The product of its digits is 285768, while the sum is 47.
The square root of 197467913 is about 14052.3276719553. The cubic root of 197467913 is about 582.3251028641.
The spelling of 197467913 in words is "one hundred ninety-seven million, four hundred sixty-seven thousand, nine hundred thirteen".
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