Base | Representation |
---|---|
bin | 1100000110111… |
… | …1110101110001 |
3 | 10112120101102200 |
4 | 3001233311301 |
5 | 101000232440 |
6 | 5012333413 |
7 | 1154464026 |
oct | 301576561 |
9 | 115511380 |
10 | 50789745 |
11 | 267400a6 |
12 | 15014269 |
13 | a6a3a06 |
14 | 6a6154d |
15 | 46d3c30 |
hex | 306fd71 |
50789745 has 12 divisors (see below), whose sum is σ = 88035636. Its totient is φ = 27087840.
The previous prime is 50789731. The next prime is 50789801. The reversal of 50789745 is 54798705.
It can be written as a sum of positive squares in 2 ways, for example, as 23415921 + 27373824 = 4839^2 + 5232^2 .
It is not a de Polignac number, because 50789745 - 24 = 50789729 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1128661 = 50789745 / (5 + 0 + 7 + 8 + 9 + 7 + 4 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 50789745.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564286 + ... + 564375.
It is an arithmetic number, because the mean of its divisors is an integer number (7336303).
Almost surely, 250789745 is an apocalyptic number.
It is an amenable number.
50789745 is a deficient number, since it is larger than the sum of its proper divisors (37245891).
50789745 is a wasteful number, since it uses less digits than its factorization.
50789745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1128672 (or 1128669 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 45.
The square root of 50789745 is about 7126.6924305739. The cubic root of 50789745 is about 370.3326567568.
The spelling of 50789745 in words is "fifty million, seven hundred eighty-nine thousand, seven hundred forty-five".
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