Base | Representation |
---|---|
bin | 10001101110010… |
… | …10111011110111 |
3 | 101100202202012221 |
4 | 20313022323313 |
5 | 301030233224 |
6 | 22430423211 |
7 | 3453522445 |
oct | 1067127367 |
9 | 340682187 |
10 | 148680439 |
11 | 76a208a6 |
12 | 41961b07 |
13 | 24a593bb |
14 | 15a63b95 |
15 | d0bd6e4 |
hex | 8dcaef7 |
148680439 has 2 divisors, whose sum is σ = 148680440. Its totient is φ = 148680438.
The previous prime is 148680421. The next prime is 148680451. The reversal of 148680439 is 934086841.
It is a strong prime.
It is an emirp because it is prime and its reverse (934086841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 148680439 - 213 = 148672247 is a prime.
It is a super-3 number, since 3×1486804393 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 148680395 and 148680404.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148680479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74340219 + 74340220.
It is an arithmetic number, because the mean of its divisors is an integer number (74340220).
Almost surely, 2148680439 is an apocalyptic number.
148680439 is a deficient number, since it is larger than the sum of its proper divisors (1).
148680439 is an equidigital number, since it uses as much as digits as its factorization.
148680439 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 165888, while the sum is 43.
The square root of 148680439 is about 12193.4588612092. The cubic root of 148680439 is about 529.7666458177.
The spelling of 148680439 in words is "one hundred forty-eight million, six hundred eighty thousand, four hundred thirty-nine".
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