Base | Representation |
---|---|
bin | 101001001000110… |
… | …0111000110010100 |
3 | 10120012100221220102 |
4 | 1102101213012110 |
5 | 10311332121213 |
6 | 344545353232 |
7 | 46130524043 |
oct | 12221470624 |
9 | 3505327812 |
10 | 1380348308 |
11 | 649197129 |
12 | 326338818 |
13 | 18cc8aa61 |
14 | d147855a |
15 | 812b2158 |
hex | 52467194 |
1380348308 has 6 divisors (see below), whose sum is σ = 2415609546. Its totient is φ = 690174152.
The previous prime is 1380348301. The next prime is 1380348329. The reversal of 1380348308 is 8038430831.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1007935504 + 372412804 = 31748^2 + 19298^2 .
It is a super-2 number, since 2×13803483082 = 3810722902796925728, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380348301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172543535 + ... + 172543542.
It is an arithmetic number, because the mean of its divisors is an integer number (402601591).
Almost surely, 21380348308 is an apocalyptic number.
It is an amenable number.
1380348308 is a deficient number, since it is larger than the sum of its proper divisors (1035261238).
1380348308 is a wasteful number, since it uses less digits than its factorization.
1380348308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345087081 (or 345087079 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 1380348308 is about 37153.0390143256. The cubic root of 1380348308 is about 1113.4299412584.
The spelling of 1380348308 in words is "one billion, three hundred eighty million, three hundred forty-eight thousand, three hundred eight".
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