Base | Representation |
---|---|
bin | 10000000110010… |
… | …10111010000111 |
3 | 100102010012011212 |
4 | 20003022322013 |
5 | 234033030324 |
6 | 21222322035 |
7 | 3226616252 |
oct | 1003127207 |
9 | 312105155 |
10 | 135048839 |
11 | 6a260212 |
12 | 3928931b |
13 | 21c95873 |
14 | 13d16099 |
15 | bcc970e |
hex | 80cae87 |
135048839 has 2 divisors, whose sum is σ = 135048840. Its totient is φ = 135048838.
The previous prime is 135048821. The next prime is 135048863. The reversal of 135048839 is 938840531.
It is a weak prime.
It is an emirp because it is prime and its reverse (938840531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 135048839 - 212 = 135044743 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 135048796 and 135048805.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (135048869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67524419 + 67524420.
It is an arithmetic number, because the mean of its divisors is an integer number (67524420).
Almost surely, 2135048839 is an apocalyptic number.
135048839 is a deficient number, since it is larger than the sum of its proper divisors (1).
135048839 is an equidigital number, since it uses as much as digits as its factorization.
135048839 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 135048839 is about 11621.0515445032. The cubic root of 135048839 is about 513.0546384077.
The spelling of 135048839 in words is "one hundred thirty-five million, forty-eight thousand, eight hundred thirty-nine".
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