Base | Representation |
---|---|
bin | 100110111000000… |
… | …0001100110111010 |
3 | 10100220112011121020 |
4 | 1031300001212322 |
5 | 10132413411010 |
6 | 333234323310 |
7 | 44216341605 |
oct | 11560014672 |
9 | 3326464536 |
10 | 1304435130 |
11 | 60a357469 |
12 | 304a29536 |
13 | 17a32b90b |
14 | c535733c |
15 | 797b9470 |
hex | 4dc019ba |
1304435130 has 48 divisors (see below), whose sum is σ = 3184860384. Its totient is φ = 341926240.
The previous prime is 1304435117. The next prime is 1304435159. The reversal of 1304435130 is 315344031.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1304435130.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98185 + ... + 110675.
It is an arithmetic number, because the mean of its divisors is an integer number (66351258).
Almost surely, 21304435130 is an apocalyptic number.
1304435130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1304435130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592430192).
1304435130 is an abundant number, since it is smaller than the sum of its proper divisors (1880425254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1304435130 is a wasteful number, since it uses less digits than its factorization.
1304435130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12619 (or 12560 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 1304435130 is about 36116.9645734522. The cubic root of 1304435130 is about 1092.6326202619.
Adding to 1304435130 its reverse (315344031), we get a palindrome (1619779161).
The spelling of 1304435130 in words is "one billion, three hundred four million, four hundred thirty-five thousand, one hundred thirty".
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