Base | Representation |
---|---|
bin | 1011111110000… |
… | …1010011111001 |
3 | 10111110201121110 |
4 | 2333201103321 |
5 | 100323042240 |
6 | 4552030533 |
7 | 1146513006 |
oct | 277412371 |
9 | 114421543 |
10 | 50205945 |
11 | 26381519 |
12 | 14992449 |
13 | a52b07a |
14 | 694c8ad |
15 | 461ac80 |
hex | 2fe14f9 |
50205945 has 16 divisors (see below), whose sum is σ = 81069120. Its totient is φ = 26529984.
The previous prime is 50205943. The next prime is 50205949. The reversal of 50205945 is 54950205.
It is a happy number.
It is not a de Polignac number, because 50205945 - 21 = 50205943 is a prime.
It is not an unprimeable number, because it can be changed into a prime (50205943) 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, 13719 + ... + 16988.
It is an arithmetic number, because the mean of its divisors is an integer number (5066820).
Almost surely, 250205945 is an apocalyptic number.
It is an amenable number.
50205945 is a deficient number, since it is larger than the sum of its proper divisors (30863175).
50205945 is a wasteful number, since it uses less digits than its factorization.
50205945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30824.
The product of its (nonzero) digits is 9000, while the sum is 30.
The square root of 50205945 is about 7085.6153578924. The cubic root of 50205945 is about 368.9082622397.
The spelling of 50205945 in words is "fifty million, two hundred five thousand, nine hundred forty-five".
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