Base | Representation |
---|---|
bin | 1100000101110… |
… | …1000110011110 |
3 | 10112102111010220 |
4 | 3001131012132 |
5 | 100440303430 |
6 | 5010542210 |
7 | 1154024166 |
oct | 301350636 |
9 | 115374126 |
10 | 50712990 |
11 | 26698469 |
12 | 14b97966 |
13 | a677ab3 |
14 | 6a415a6 |
15 | 46bb110 |
hex | 305d19e |
50712990 has 16 divisors (see below), whose sum is σ = 121711248. Its totient is φ = 13523456.
The previous prime is 50712979. The next prime is 50713031. The reversal of 50712990 is 9921705.
50712990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845187 + ... + 845246.
It is an arithmetic number, because the mean of its divisors is an integer number (7606953).
Almost surely, 250712990 is an apocalyptic number.
50712990 is an abundant number, since it is smaller than the sum of its proper divisors (70998258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50712990 is a wasteful number, since it uses less digits than its factorization.
50712990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1690443.
The product of its (nonzero) digits is 5670, while the sum is 33.
The square root of 50712990 is about 7121.3053578680. The cubic root of 50712990 is about 370.1460100630.
The spelling of 50712990 in words is "fifty million, seven hundred twelve thousand, nine hundred ninety".
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