Base | Representation |
---|---|
bin | 10011011101010… |
… | …11100110001101 |
3 | 102101011001101212 |
4 | 21232223212031 |
5 | 313241412031 |
6 | 24110344205 |
7 | 4021310312 |
oct | 1156534615 |
9 | 371131355 |
10 | 163232141 |
11 | 8415a7a6 |
12 | 467bb065 |
13 | 27a82987 |
14 | 17970d09 |
15 | e4e512b |
hex | 9bab98d |
163232141 has 4 divisors (see below), whose sum is σ = 165066300. Its totient is φ = 161397984.
The previous prime is 163232137. The next prime is 163232149. The reversal of 163232141 is 141232361.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141232361 = 2969 ⋅47569.
It can be written as a sum of positive squares in 2 ways, for example, as 74476900 + 88755241 = 8630^2 + 9421^2 .
It is a cyclic number.
It is not a de Polignac number, because 163232141 - 22 = 163232137 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163232149) 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, 916946 + ... + 917123.
It is an arithmetic number, because the mean of its divisors is an integer number (41266575).
Almost surely, 2163232141 is an apocalyptic number.
It is an amenable number.
163232141 is a deficient number, since it is larger than the sum of its proper divisors (1834159).
163232141 is an equidigital number, since it uses as much as digits as its factorization.
163232141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1834158.
The product of its digits is 864, while the sum is 23.
The square root of 163232141 is about 12776.2334433901. The cubic root of 163232141 is about 546.5147558187.
The spelling of 163232141 in words is "one hundred sixty-three million, two hundred thirty-two thousand, one hundred forty-one".
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