Base | Representation |
---|---|
bin | 111110110111… |
… | …111010010101 |
3 | 1011000100222021 |
4 | 332313322111 |
5 | 13204410231 |
6 | 1345133141 |
7 | 260044210 |
oct | 76677225 |
9 | 34010867 |
10 | 16481941 |
11 | 9338143 |
12 | 562a1b1 |
13 | 3551038 |
14 | 2290777 |
15 | 16a8811 |
hex | fb7e95 |
16481941 has 4 divisors (see below), whose sum is σ = 18836512. Its totient is φ = 14127372.
The previous prime is 16481939. The next prime is 16481951. The reversal of 16481941 is 14918461.
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, and also an emirpimes, since its reverse is a distinct semiprime: 14918461 = 1907 ⋅7823.
It is not a de Polignac number, because 16481941 - 21 = 16481939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 16481897 and 16481906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16481951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177275 + ... + 1177288.
It is an arithmetic number, because the mean of its divisors is an integer number (4709128).
Almost surely, 216481941 is an apocalyptic number.
It is an amenable number.
16481941 is a deficient number, since it is larger than the sum of its proper divisors (2354571).
16481941 is an equidigital number, since it uses as much as digits as its factorization.
16481941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2354570.
The product of its digits is 6912, while the sum is 34.
The square root of 16481941 is about 4059.7956845142. The cubic root of 16481941 is about 254.4892558022.
The spelling of 16481941 in words is "sixteen million, four hundred eighty-one thousand, nine hundred forty-one".
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