Base | Representation |
---|---|
bin | 101000001101000… |
… | …0100111110000100 |
3 | 10111000101222110112 |
4 | 1100122010332010 |
5 | 10230321412010 |
6 | 341510012152 |
7 | 45300265421 |
oct | 12032047604 |
9 | 3430358415 |
10 | 1349013380 |
11 | 6325347a0 |
12 | 317947058 |
13 | 186639290 |
14 | cb23cd48 |
15 | 7d672a05 |
hex | 50684f84 |
1349013380 has 48 divisors (see below), whose sum is σ = 3328202304. Its totient is φ = 452814720.
The previous prime is 1349013373. The next prime is 1349013383. The reversal of 1349013380 is 833109431.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1349013383) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232982 + ... + 238701.
It is an arithmetic number, because the mean of its divisors is an integer number (69337548).
Almost surely, 21349013380 is an apocalyptic number.
1349013380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1349013380 is an abundant number, since it is smaller than the sum of its proper divisors (1979188924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1349013380 is a wasteful number, since it uses less digits than its factorization.
1349013380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471716 (or 471714 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 1349013380 is about 36728.9174901739. The cubic root of 1349013380 is about 1104.9401440384.
The spelling of 1349013380 in words is "one billion, three hundred forty-nine million, thirteen thousand, three hundred eighty".
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