Base | Representation |
---|---|
bin | 1011111110110… |
… | …1001000110101 |
3 | 10111120012001200 |
4 | 2333231020311 |
5 | 100331120024 |
6 | 4553043113 |
7 | 1150104153 |
oct | 277551065 |
9 | 114505050 |
10 | 50254389 |
11 | 26404959 |
12 | 149b6499 |
13 | a547133 |
14 | 69623d3 |
15 | 462a2c9 |
hex | 2fed235 |
50254389 has 6 divisors (see below), whose sum is σ = 72589686. Its totient is φ = 33502920.
The previous prime is 50254381. The next prime is 50254403. The reversal of 50254389 is 98345205.
It can be written as a sum of positive squares in only one way, i.e., 43125489 + 7128900 = 6567^2 + 2670^2 .
It is not a de Polignac number, because 50254389 - 23 = 50254381 is a prime.
It is a super-2 number, since 2×502543892 = 5051007227526642, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50254381) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2791902 + ... + 2791919.
It is an arithmetic number, because the mean of its divisors is an integer number (12098281).
Almost surely, 250254389 is an apocalyptic number.
It is an amenable number.
50254389 is a deficient number, since it is larger than the sum of its proper divisors (22335297).
50254389 is a wasteful number, since it uses less digits than its factorization.
50254389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5583827 (or 5583824 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 50254389 is about 7089.0330088102. The cubic root of 50254389 is about 369.0268779858.
The spelling of 50254389 in words is "fifty million, two hundred fifty-four thousand, three hundred eighty-nine".
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