Base | Representation |
---|---|
bin | 100111111011000001000 |
3 | 2110110110200 |
4 | 10333120020 |
5 | 313330133 |
6 | 44012200 |
7 | 14055621 |
oct | 4773010 |
9 | 2413420 |
10 | 1308168 |
11 | 813934 |
12 | 531060 |
13 | 36a584 |
14 | 260a48 |
15 | 1ac913 |
hex | 13f608 |
1308168 has 24 divisors (see below), whose sum is σ = 3543150. Its totient is φ = 436032.
The previous prime is 1308157. The next prime is 1308173. The reversal of 1308168 is 8618031.
It can be written as a sum of positive squares in only one way, i.e., 1258884 + 49284 = 1122^2 + 222^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×13081682 = 3422607032448, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9013 + ... + 9156.
21308168 is an apocalyptic number.
1308168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1308168 is an abundant number, since it is smaller than the sum of its proper divisors (2234982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1308168 is a wasteful number, since it uses less digits than its factorization.
1308168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18181 (or 18174 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 1308168 is about 1143.7517213102. The cubic root of 1308168 is about 109.3673880961.
The spelling of 1308168 in words is "one million, three hundred eight thousand, one hundred sixty-eight".
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