Base | Representation |
---|---|
bin | 100000011111100… |
… | …100100011001101 |
3 | 1101222210100012210 |
4 | 200133210203031 |
5 | 2104024201320 |
6 | 130032221033 |
7 | 16336450050 |
oct | 4037444315 |
9 | 1358710183 |
10 | 545147085 |
11 | 25a7a308a |
12 | 13269a779 |
13 | 88c31652 |
14 | 52588a97 |
15 | 32cd50e0 |
hex | 207e48cd |
545147085 has 32 divisors (see below), whose sum is σ = 1023789312. Its totient is φ = 242472960.
The previous prime is 545147023. The next prime is 545147089. The reversal of 545147085 is 580741545.
It is not a de Polignac number, because 545147085 - 218 = 544884941 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545147089) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66276 + ... + 74045.
It is an arithmetic number, because the mean of its divisors is an integer number (31993416).
Almost surely, 2545147085 is an apocalyptic number.
It is an amenable number.
545147085 is a deficient number, since it is larger than the sum of its proper divisors (478642227).
545147085 is a wasteful number, since it uses less digits than its factorization.
545147085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140373.
The product of its (nonzero) digits is 112000, while the sum is 39.
The square root of 545147085 is about 23348.3850619267. The cubic root of 545147085 is about 816.9043927300.
The spelling of 545147085 in words is "five hundred forty-five million, one hundred forty-seven thousand, eighty-five".
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