Base | Representation |
---|---|
bin | 11110000111110… |
… | …000000100001001 |
3 | 1022012220100121222 |
4 | 132013300010021 |
5 | 2013332121421 |
6 | 122051211425 |
7 | 15344250560 |
oct | 3607600411 |
9 | 1265810558 |
10 | 505348361 |
11 | 23a28a781 |
12 | 1212a6b75 |
13 | 809085cb |
14 | 4b188bd7 |
15 | 2e572cab |
hex | 1e1f0109 |
505348361 has 12 divisors (see below), whose sum is σ = 580776192. Its totient is φ = 430742664.
The previous prime is 505348309. The next prime is 505348379. The reversal of 505348361 is 163843505.
It is not a de Polignac number, because 505348361 - 226 = 438239497 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505345361) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276296 + ... + 278118.
It is an arithmetic number, because the mean of its divisors is an integer number (48398016).
Almost surely, 2505348361 is an apocalyptic number.
It is an amenable number.
505348361 is a deficient number, since it is larger than the sum of its proper divisors (75427831).
505348361 is an equidigital number, since it uses as much as digits as its factorization.
505348361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2228 (or 2029 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
The square root of 505348361 is about 22479.9546485308. The cubic root of 505348361 is about 796.5204929163.
The spelling of 505348361 in words is "five hundred five million, three hundred forty-eight thousand, three hundred sixty-one".
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