Base | Representation |
---|---|
bin | 1011111101000… |
… | …1111010111010 |
3 | 10111100112010200 |
4 | 2333101322322 |
5 | 100314033111 |
6 | 4550423030 |
7 | 1146131142 |
oct | 277217272 |
9 | 114315120 |
10 | 50142906 |
11 | 26339120 |
12 | 14961a76 |
13 | a508478 |
14 | 6933922 |
15 | 4607256 |
hex | 2fd1eba |
50142906 has 24 divisors (see below), whose sum is σ = 118520064. Its totient is φ = 15194760.
The previous prime is 50142901. The next prime is 50142907. The reversal of 50142906 is 60924105.
It is a super-2 number, since 2×501429062 = 5028622044249672, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 50142906.
It is not an unprimeable number, because it can be changed into a prime (50142901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126426 + ... + 126821.
It is an arithmetic number, because the mean of its divisors is an integer number (4938336).
Almost surely, 250142906 is an apocalyptic number.
50142906 is an abundant number, since it is smaller than the sum of its proper divisors (68377158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50142906 is a wasteful number, since it uses less digits than its factorization.
50142906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253266 (or 253263 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 50142906 is about 7081.1655820211. The cubic root of 50142906 is about 368.7537961498.
The spelling of 50142906 in words is "fifty million, one hundred forty-two thousand, nine hundred six".
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