Base | Representation |
---|---|
bin | 111101010011… |
… | …010001110001 |
3 | 1010020102112202 |
4 | 331103101301 |
5 | 13103212440 |
6 | 1332232545 |
7 | 253406366 |
oct | 75232161 |
9 | 33212482 |
10 | 16069745 |
11 | 908648a |
12 | 546b755 |
13 | 3438533 |
14 | 21c446d |
15 | 1626615 |
hex | f53471 |
16069745 has 16 divisors (see below), whose sum is σ = 20224512. Its totient is φ = 12243840.
The previous prime is 16069721. The next prime is 16069747. The reversal of 16069745 is 54796061.
16069745 = T216 + T217 + ... + T473.
It is not a de Polignac number, because 16069745 - 28 = 16069489 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 16069699 and 16069708.
It is not an unprimeable number, because it can be changed into a prime (16069747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7904 + ... + 9726.
It is an arithmetic number, because the mean of its divisors is an integer number (1264032).
Almost surely, 216069745 is an apocalyptic number.
It is an amenable number.
16069745 is a deficient number, since it is larger than the sum of its proper divisors (4154767).
16069745 is a wasteful number, since it uses less digits than its factorization.
16069745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1912.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 16069745 is about 4008.7086449379. The cubic root of 16069745 is about 252.3498175638.
The spelling of 16069745 in words is "sixteen million, sixty-nine thousand, seven hundred forty-five".
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