Base | Representation |
---|---|
bin | 1011111101000… |
… | …0000001011010 |
3 | 10111100010110200 |
4 | 2333100001122 |
5 | 100313311010 |
6 | 4550323030 |
7 | 1146066363 |
oct | 277200132 |
9 | 114303420 |
10 | 50135130 |
11 | 263332a1 |
12 | 14959476 |
13 | a504a76 |
14 | 6930b6a |
15 | 4604cc0 |
hex | 2fd005a |
50135130 has 24 divisors (see below), whose sum is σ = 130351572. Its totient is φ = 13369344.
The previous prime is 50135123. The next prime is 50135131. The reversal of 50135130 is 3153105.
It is a happy number.
50135130 is a `hidden beast` number, since 501 + 35 + 130 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 41332041 + 8803089 = 6429^2 + 2967^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (50135131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278439 + ... + 278618.
Almost surely, 250135130 is an apocalyptic number.
50135130 is an abundant number, since it is smaller than the sum of its proper divisors (80216442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50135130 is a wasteful number, since it uses less digits than its factorization.
50135130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 557070 (or 557067 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 18.
The square root of 50135130 is about 7080.6164985826. The cubic root of 50135130 is about 368.7347334482.
Adding to 50135130 its reverse (3153105), we get a palindrome (53288235).
The spelling of 50135130 in words is "fifty million, one hundred thirty-five thousand, one hundred thirty".
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