Base | Representation |
---|---|
bin | 100000100000100… |
… | …100010001000111 |
3 | 1102000021121012221 |
4 | 200200210101013 |
5 | 2104111024241 |
6 | 130041553211 |
7 | 16341614665 |
oct | 4040442107 |
9 | 1360247187 |
10 | 545408071 |
11 | 25a96117a |
12 | 1327a5807 |
13 | 88cc3390 |
14 | 52615c35 |
15 | 32d375d1 |
hex | 20824447 |
545408071 has 8 divisors (see below), whose sum is σ = 589442000. Its totient is φ = 501671232.
The previous prime is 545408057. The next prime is 545408113. The reversal of 545408071 is 170804545.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 545408071 - 221 = 543310919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545408041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70446 + ... + 77803.
It is an arithmetic number, because the mean of its divisors is an integer number (73680250).
Almost surely, 2545408071 is an apocalyptic number.
545408071 is a deficient number, since it is larger than the sum of its proper divisors (44033929).
545408071 is a wasteful number, since it uses less digits than its factorization.
545408071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148545.
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 545408071 is about 23353.9733450220. The cubic root of 545408071 is about 817.0347346762.
The spelling of 545408071 in words is "five hundred forty-five million, four hundred eight thousand, seventy-one".
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