Base | Representation |
---|---|
bin | 110010001000… |
… | …111110011000 |
3 | 220201210010100 |
4 | 302020332120 |
5 | 11331101320 |
6 | 1145415400 |
7 | 216502404 |
oct | 62107630 |
9 | 26653110 |
10 | 13143960 |
11 | 7468285 |
12 | 449a560 |
13 | 29528bb |
14 | 1a62104 |
15 | 1249790 |
hex | c88f98 |
13143960 has 96 divisors (see below), whose sum is σ = 44226000. Its totient is φ = 3381504.
The previous prime is 13143959. The next prime is 13143967. The reversal of 13143960 is 6934131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13143967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9811 + ... + 11069.
Almost surely, 213143960 is an apocalyptic number.
13143960 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 13143960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22113000).
13143960 is an abundant number, since it is smaller than the sum of its proper divisors (31082040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13143960 is a wasteful number, since it uses less digits than its factorization.
13143960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1305 (or 1298 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 13143960 is about 3625.4599708175. The cubic root of 13143960 is about 235.9982284651.
The spelling of 13143960 in words is "thirteen million, one hundred forty-three thousand, nine hundred sixty".
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