Base | Representation |
---|---|
bin | 1100000001111… |
… | …0000000010001 |
3 | 10111221100121212 |
4 | 3000132000101 |
5 | 100404021140 |
6 | 5001225505 |
7 | 1151566541 |
oct | 300360021 |
9 | 114840555 |
10 | 50454545 |
11 | 26531279 |
12 | 14a92295 |
13 | a5b727b |
14 | 69b5321 |
15 | 4669765 |
hex | 301e011 |
50454545 has 8 divisors (see below), whose sum is σ = 61226280. Its totient is φ = 39909760.
The previous prime is 50454539. The next prime is 50454563. The reversal of 50454545 is 54545405.
It can be written as a sum of positive squares in 4 ways, for example, as 9443329 + 41011216 = 3073^2 + 6404^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50454545 - 210 = 50453521 is a prime.
It is a super-2 number, since 2×504545452 = 5091322222314050, which contains 22 as substring.
50454545 is a modest number, since divided by 454545 gives 50 as remainder.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56246 + ... + 57135.
It is an arithmetic number, because the mean of its divisors is an integer number (7653285).
Almost surely, 250454545 is an apocalyptic number.
It is an amenable number.
50454545 is a deficient number, since it is larger than the sum of its proper divisors (10771735).
50454545 is a wasteful number, since it uses less digits than its factorization.
50454545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113475.
The product of its (nonzero) digits is 40000, while the sum is 32.
The square root of 50454545 is about 7103.1362791375. The cubic root of 50454545 is about 369.5161559695.
The spelling of 50454545 in words is "fifty million, four hundred fifty-four thousand, five hundred forty-five".
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