Base | Representation |
---|---|
bin | 100000011111100… |
… | …000011000111101 |
3 | 1101222202110211200 |
4 | 200133200120331 |
5 | 2104023130140 |
6 | 130032010113 |
7 | 16336346265 |
oct | 4037403075 |
9 | 1358673750 |
10 | 545130045 |
11 | 25a7912a9 |
12 | 132690939 |
13 | 88c26975 |
14 | 525827a5 |
15 | 32cd0030 |
hex | 207e063d |
545130045 has 48 divisors (see below), whose sum is σ = 997127040. Its totient is φ = 274741632.
The previous prime is 545129999. The next prime is 545130067. The reversal of 545130045 is 540031545.
It is not a de Polignac number, because 545130045 - 212 = 545125949 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 621147 + ... + 622023.
It is an arithmetic number, because the mean of its divisors is an integer number (20773480).
Almost surely, 2545130045 is an apocalyptic number.
It is an amenable number.
545130045 is a deficient number, since it is larger than the sum of its proper divisors (451996995).
545130045 is a wasteful number, since it uses less digits than its factorization.
545130045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1634 (or 1631 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 545130045 is about 23348.0201516103. The cubic root of 545130045 is about 816.8958811458.
The spelling of 545130045 in words is "five hundred forty-five million, one hundred thirty thousand, forty-five".
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