Base | Representation |
---|---|
bin | 100000011111111… |
… | …101001100101111 |
3 | 1101222222110201010 |
4 | 200133331030233 |
5 | 2104040414142 |
6 | 130034320303 |
7 | 16340350311 |
oct | 4037751457 |
9 | 1358873633 |
10 | 545248047 |
11 | 25a861a23 |
12 | 132729093 |
13 | 88c685a6 |
14 | 525b37b1 |
15 | 32d04e9c |
hex | 207fd32f |
545248047 has 16 divisors (see below), whose sum is σ = 742151808. Its totient is φ = 355948320.
The previous prime is 545248031. The next prime is 545248049. The reversal of 545248047 is 740842545.
It is not a de Polignac number, because 545248047 - 24 = 545248031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 545247996 and 545248014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545248049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86472 + ... + 92562.
It is an arithmetic number, because the mean of its divisors is an integer number (46384488).
Almost surely, 2545248047 is an apocalyptic number.
545248047 is a deficient number, since it is larger than the sum of its proper divisors (196903761).
545248047 is a wasteful number, since it uses less digits than its factorization.
545248047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6710.
The product of its (nonzero) digits is 179200, while the sum is 39.
The square root of 545248047 is about 23350.5470385599. The cubic root of 545248047 is about 816.9548202278.
The spelling of 545248047 in words is "five hundred forty-five million, two hundred forty-eight thousand, forty-seven".
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