Base | Representation |
---|---|
bin | 1011111011001… |
… | …1101010010101 |
3 | 10111010020010021 |
4 | 2332303222111 |
5 | 100301101330 |
6 | 4544025141 |
7 | 1145103613 |
oct | 276635225 |
9 | 114106107 |
10 | 50018965 |
11 | 26263a97 |
12 | 149021b1 |
13 | a493c29 |
14 | 69006b3 |
15 | 45d067a |
hex | 2fb3a95 |
50018965 has 16 divisors (see below), whose sum is σ = 62217216. Its totient is φ = 38563200.
The previous prime is 50018953. The next prime is 50018987. The reversal of 50018965 is 56981005.
It is not a de Polignac number, because 50018965 - 225 = 16464533 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 50018965.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48000 + ... + 49030.
It is an arithmetic number, because the mean of its divisors is an integer number (3888576).
Almost surely, 250018965 is an apocalyptic number.
It is an amenable number.
50018965 is a deficient number, since it is larger than the sum of its proper divisors (12198251).
50018965 is a wasteful number, since it uses less digits than its factorization.
50018965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1380.
The product of its (nonzero) digits is 10800, while the sum is 34.
The square root of 50018965 is about 7072.4087127371. The cubic root of 50018965 is about 368.4497224145.
The spelling of 50018965 in words is "fifty million, eighteen thousand, nine hundred sixty-five".
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