Base | Representation |
---|---|
bin | 111110111001… |
… | …111000111001 |
3 | 1011000210002021 |
4 | 332321320321 |
5 | 13210140131 |
6 | 1345234441 |
7 | 260106631 |
oct | 76717071 |
9 | 34023067 |
10 | 16490041 |
11 | 9343237 |
12 | 5632a21 |
13 | 3554929 |
14 | 22936c1 |
15 | 16aae11 |
hex | fb9e39 |
16490041 has 4 divisors (see below), whose sum is σ = 16502272. Its totient is φ = 16477812.
The previous prime is 16490039. The next prime is 16490053. The reversal of 16490041 is 14009461.
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: 14009461 = 23 ⋅609107.
It is a cyclic number.
It is not a de Polignac number, because 16490041 - 21 = 16490039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 16489988 and 16490015.
It is not an unprimeable number, because it can be changed into a prime (16490021) 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, 3801 + ... + 6886.
It is an arithmetic number, because the mean of its divisors is an integer number (4125568).
Almost surely, 216490041 is an apocalyptic number.
16490041 is the 2345-th hex number.
It is an amenable number.
16490041 is a deficient number, since it is larger than the sum of its proper divisors (12231).
16490041 is a wasteful number, since it uses less digits than its factorization.
16490041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12230.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 16490041 is about 4060.7931491274. The cubic root of 16490041 is about 254.5309382994.
The spelling of 16490041 in words is "sixteen million, four hundred ninety thousand, forty-one".
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