Base | Representation |
---|---|
bin | 1100000001001… |
… | …0101000110110 |
3 | 10111211222202121 |
4 | 3000102220312 |
5 | 100401023430 |
6 | 5000230154 |
7 | 1151314033 |
oct | 300225066 |
9 | 114758677 |
10 | 50407990 |
11 | 264aa2a6 |
12 | 14a6b35a |
13 | a59c019 |
14 | 69a238a |
15 | 465aa7a |
hex | 3012a36 |
50407990 has 32 divisors (see below), whose sum is σ = 92532384. Its totient is φ = 19768320.
The previous prime is 50407967. The next prime is 50407991. The reversal of 50407990 is 9970405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50407991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152125 + ... + 152455.
It is an arithmetic number, because the mean of its divisors is an integer number (2891637).
Almost surely, 250407990 is an apocalyptic number.
50407990 is a deficient number, since it is larger than the sum of its proper divisors (42124394).
50407990 is a wasteful number, since it uses less digits than its factorization.
50407990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592.
The product of its (nonzero) digits is 11340, while the sum is 34.
The square root of 50407990 is about 7099.8584492932. The cubic root of 50407990 is about 369.4024686995.
The spelling of 50407990 in words is "fifty million, four hundred seven thousand, nine hundred ninety".
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