Base | Representation |
---|---|
bin | 10011100010100… |
… | …00011001000101 |
3 | 102102102100022212 |
4 | 21301100121011 |
5 | 313430012031 |
6 | 24133033205 |
7 | 4030121246 |
oct | 1161203105 |
9 | 372370285 |
10 | 163907141 |
11 | 84580952 |
12 | 46a85805 |
13 | 27c5ac98 |
14 | 17aa8ccd |
15 | e5ca12b |
hex | 9c50645 |
163907141 has 4 divisors (see below), whose sum is σ = 163935072. Its totient is φ = 163879212.
The previous prime is 163907113. The next prime is 163907173. The reversal of 163907141 is 141709361.
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 163907141 - 218 = 163644997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 163907098 and 163907107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163907041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385 + ... + 18158.
It is an arithmetic number, because the mean of its divisors is an integer number (40983768).
Almost surely, 2163907141 is an apocalyptic number.
It is an amenable number.
163907141 is a deficient number, since it is larger than the sum of its proper divisors (27931).
163907141 is an equidigital number, since it uses as much as digits as its factorization.
163907141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27930.
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 163907141 is about 12802.6224266749. The cubic root of 163907141 is about 547.2670384937.
The spelling of 163907141 in words is "one hundred sixty-three million, nine hundred seven thousand, one hundred forty-one".
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