Base | Representation |
---|---|
bin | 11110000110100… |
… | …001010000000101 |
3 | 1022012021221210200 |
4 | 132012201100011 |
5 | 2013241304131 |
6 | 122040241113 |
7 | 15341434446 |
oct | 3606412005 |
9 | 1265257720 |
10 | 505025541 |
11 | 23a08a189 |
12 | 121170199 |
13 | 808246a7 |
14 | 4b1032cd |
15 | 2e50c2e6 |
hex | 1e1a1405 |
505025541 has 6 divisors (see below), whose sum is σ = 729481350. Its totient is φ = 336683688.
The previous prime is 505025509. The next prime is 505025593. The reversal of 505025541 is 145520505.
505025541 is a `hidden beast` number, since 50 + 50 + 25 + 541 = 666.
It can be written as a sum of positive squares in only one way, i.e., 284057316 + 220968225 = 16854^2 + 14865^2 .
It is not a de Polignac number, because 505025541 - 25 = 505025509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505025501) 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 5 ways as a sum of consecutive naturals, for example, 28056966 + ... + 28056983.
It is an arithmetic number, because the mean of its divisors is an integer number (121580225).
Almost surely, 2505025541 is an apocalyptic number.
It is an amenable number.
505025541 is a deficient number, since it is larger than the sum of its proper divisors (224455809).
505025541 is a wasteful number, since it uses less digits than its factorization.
505025541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56113955 (or 56113952 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
The square root of 505025541 is about 22472.7733268504. The cubic root of 505025541 is about 796.3508492029.
The spelling of 505025541 in words is "five hundred five million, twenty-five thousand, five hundred forty-one".
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