Base | Representation |
---|---|
bin | 1011111101110… |
… | …0110111001101 |
3 | 10111102210121122 |
4 | 2333130313031 |
5 | 100322001400 |
6 | 4551410325 |
7 | 1146405620 |
oct | 277346715 |
9 | 114383548 |
10 | 50187725 |
11 | 26369865 |
12 | 149839a5 |
13 | a5229a3 |
14 | 6945db7 |
15 | 4615685 |
hex | 2fdcdcd |
50187725 has 48 divisors (see below), whose sum is σ = 76447488. Its totient is φ = 31933440.
The previous prime is 50187713. The next prime is 50187727. The reversal of 50187725 is 52778105.
It is not a de Polignac number, because 50187725 - 28 = 50187469 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50187727) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148757 + ... + 149093.
It is an arithmetic number, because the mean of its divisors is an integer number (1592656).
Almost surely, 250187725 is an apocalyptic number.
It is an amenable number.
50187725 is a deficient number, since it is larger than the sum of its proper divisors (26259763).
50187725 is a wasteful number, since it uses less digits than its factorization.
50187725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414 (or 409 counting only the distinct ones).
The product of its (nonzero) digits is 19600, while the sum is 35.
The square root of 50187725 is about 7084.3295377897. The cubic root of 50187725 is about 368.8636305944.
The spelling of 50187725 in words is "fifty million, one hundred eighty-seven thousand, seven hundred twenty-five".
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