Base | Representation |
---|---|
bin | 111111111110… |
… | …011111100101 |
3 | 1011120001112211 |
4 | 333332133211 |
5 | 13243133140 |
6 | 1355243421 |
7 | 262360114 |
oct | 77763745 |
9 | 34501484 |
10 | 16771045 |
11 | 9515375 |
12 | 5749571 |
13 | 36227c5 |
14 | 2327c7b |
15 | 17142ea |
hex | ffe7e5 |
16771045 has 16 divisors (see below), whose sum is σ = 20664000. Its totient is φ = 13062528.
The previous prime is 16771043. The next prime is 16771081. The reversal of 16771045 is 54017761.
It is a cyclic number.
It is not a de Polignac number, because 16771045 - 21 = 16771043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 16770998 and 16771016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16771043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40801 + ... + 41209.
It is an arithmetic number, because the mean of its divisors is an integer number (1291500).
Almost surely, 216771045 is an apocalyptic number.
It is an amenable number.
16771045 is a deficient number, since it is larger than the sum of its proper divisors (3892955).
16771045 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (16771044) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (612).
16771045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612.
The product of its (nonzero) digits is 5880, while the sum is 31.
The square root of 16771045 is about 4095.2466348194. The cubic root of 16771045 is about 255.9686088218.
The spelling of 16771045 in words is "sixteen million, seven hundred seventy-one thousand, forty-five".
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