Base | Representation |
---|---|
bin | 100110111111101… |
… | …1101111111010100 |
3 | 10101012010211222100 |
4 | 1031333131333110 |
5 | 10134432433130 |
6 | 333501202100 |
7 | 44265632550 |
oct | 11577357724 |
9 | 3335124870 |
10 | 1308483540 |
11 | 611672061 |
12 | 306260330 |
13 | 17b118520 |
14 | c5acc860 |
15 | 79d18c60 |
hex | 4dfddfd4 |
1308483540 has 576 divisors, whose sum is σ = 5353979904. Its totient is φ = 250822656.
The previous prime is 1308483529. The next prime is 1308483541. The reversal of 1308483540 is 453848031.
1308483540 is a `hidden beast` number, since 1 + 30 + 8 + 4 + 83 + 540 = 666.
1308483540 is nontrivially palindromic in base 16.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1308483495 and 1308483504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1308483541) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10302957 + ... + 10303083.
It is an arithmetic number, because the mean of its divisors is an integer number (9295104).
Almost surely, 21308483540 is an apocalyptic number.
1308483540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1308483540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2676989952).
1308483540 is an abundant number, since it is smaller than the sum of its proper divisors (4045496364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1308483540 is a wasteful number, since it uses less digits than its factorization.
1308483540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216 (or 211 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 1308483540 is about 36172.9669781178. The cubic root of 1308483540 is about 1093.7618080249.
The spelling of 1308483540 in words is "one billion, three hundred eight million, four hundred eighty-three thousand, five hundred forty".
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