Base | Representation |
---|---|
bin | 11110001000100… |
… | …001100100101000 |
3 | 1022020021122210110 |
4 | 132020201210220 |
5 | 2013410114034 |
6 | 122055414320 |
7 | 15346054020 |
oct | 3610414450 |
9 | 1266248713 |
10 | 505551144 |
11 | 23a40906a |
12 | 1213843a0 |
13 | 809799b7 |
14 | 4b1dca80 |
15 | 2e5b2de9 |
hex | 1e221928 |
505551144 has 32 divisors (see below), whose sum is σ = 1444432320. Its totient is φ = 144443136.
The previous prime is 505551133. The next prime is 505551149. The reversal of 505551144 is 441155505.
It is not an unprimeable number, because it can be changed into a prime (505551149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504449 + ... + 1504784.
It is an arithmetic number, because the mean of its divisors is an integer number (45138510).
Almost surely, 2505551144 is an apocalyptic number.
It is an amenable number.
505551144 is an abundant number, since it is smaller than the sum of its proper divisors (938881176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505551144 is a wasteful number, since it uses less digits than its factorization.
505551144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3009249 (or 3009245 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 30.
The square root of 505551144 is about 22484.4645032965. The cubic root of 505551144 is about 796.6270195738.
The spelling of 505551144 in words is "five hundred five million, five hundred fifty-one thousand, one hundred forty-four".
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