Base | Representation |
---|---|
bin | 1011111100111… |
… | …1001111011001 |
3 | 10111022222002010 |
4 | 2333033033121 |
5 | 100313210204 |
6 | 4550300133 |
7 | 1146054141 |
oct | 277171731 |
9 | 114288063 |
10 | 50131929 |
11 | 26330951 |
12 | 14957649 |
13 | a503483 |
14 | 692d921 |
15 | 4603d89 |
hex | 2fcf3d9 |
50131929 has 32 divisors (see below), whose sum is σ = 75119616. Its totient is φ = 29583360.
The previous prime is 50131909. The next prime is 50131967. The reversal of 50131929 is 92913105.
It is not a de Polignac number, because 50131929 - 28 = 50131673 is a prime.
It is a super-2 number, since 2×501319292 = 5026420610522082, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 50131896 and 50131905.
It is not an unprimeable number, because it can be changed into a prime (50131909) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58069 + ... + 58925.
It is an arithmetic number, because the mean of its divisors is an integer number (2347488).
Almost surely, 250131929 is an apocalyptic number.
It is an amenable number.
50131929 is a deficient number, since it is larger than the sum of its proper divisors (24987687).
50131929 is a wasteful number, since it uses less digits than its factorization.
50131929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 945.
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 50131929 is about 7080.3904553351. The cubic root of 50131929 is about 368.7268856909.
The spelling of 50131929 in words is "fifty million, one hundred thirty-one thousand, nine hundred twenty-nine".
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