Base | Representation |
---|---|
bin | 100110111001111… |
… | …1100001010101100 |
3 | 10100222110022101222 |
4 | 1031303330022230 |
5 | 10133144231140 |
6 | 333312322512 |
7 | 44231144654 |
oct | 11563741254 |
9 | 3328408358 |
10 | 1305461420 |
11 | 60a99853a |
12 | 305243438 |
13 | 17a5caaa3 |
14 | c5543364 |
15 | 7991d5b5 |
hex | 4dcfc2ac |
1305461420 has 12 divisors (see below), whose sum is σ = 2741469024. Its totient is φ = 522184560.
The previous prime is 1305461411. The next prime is 1305461441. The reversal of 1305461420 is 241645031.
It is a self number, because there is not a number n which added to its sum of digits gives 1305461420.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32636516 + ... + 32636555.
It is an arithmetic number, because the mean of its divisors is an integer number (228455752).
Almost surely, 21305461420 is an apocalyptic number.
1305461420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1305461420 is an abundant number, since it is smaller than the sum of its proper divisors (1436007604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1305461420 is a wasteful number, since it uses less digits than its factorization.
1305461420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65273080 (or 65273078 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 1305461420 is about 36131.1696461656. The cubic root of 1305461420 is about 1092.9190952147.
The spelling of 1305461420 in words is "one billion, three hundred five million, four hundred sixty-one thousand, four hundred twenty".
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