Base | Representation |
---|---|
bin | 11110000111101… |
… | …111011000000101 |
3 | 1022012220012202112 |
4 | 132013233120011 |
5 | 2013332024131 |
6 | 122051150405 |
7 | 15344236421 |
oct | 3607573005 |
9 | 1265805675 |
10 | 505345541 |
11 | 23a288648 |
12 | 1212a5405 |
13 | 8090723c |
14 | 4b187b81 |
15 | 2e57202b |
hex | 1e1ef605 |
505345541 has 8 divisors (see below), whose sum is σ = 524227200. Its totient is φ = 486776160.
The previous prime is 505345523. The next prime is 505345549. The reversal of 505345541 is 145543505.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-505345541 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 505345498 and 505345507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505345549) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74771 + ... + 81248.
It is an arithmetic number, because the mean of its divisors is an integer number (65528400).
Almost surely, 2505345541 is an apocalyptic number.
It is an amenable number.
505345541 is a deficient number, since it is larger than the sum of its proper divisors (18881659).
505345541 is a wasteful number, since it uses less digits than its factorization.
505345541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156139.
The product of its (nonzero) digits is 30000, while the sum is 32.
The square root of 505345541 is about 22479.8919258968. The cubic root of 505345541 is about 796.5190113034.
The spelling of 505345541 in words is "five hundred five million, three hundred forty-five thousand, five hundred forty-one".
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