Base | Representation |
---|---|
bin | 110101001100… |
… | …100010000000 |
3 | 222020110220000 |
4 | 311030202000 |
5 | 12032214320 |
6 | 1214520000 |
7 | 226346601 |
oct | 65144200 |
9 | 28213800 |
10 | 13944960 |
11 | 7965067 |
12 | 4806000 |
13 | 2b73373 |
14 | 1bcdda8 |
15 | 1356c90 |
hex | d4c880 |
13944960 has 160 divisors (see below), whose sum is σ = 49985100. Its totient is φ = 3704832.
The previous prime is 13944949. The next prime is 13944979. The reversal of 13944960 is 6944931.
It can be written as a sum of positive squares in 2 ways, for example, as 12446784 + 1498176 = 3528^2 + 1224^2 .
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51706 + ... + 51974.
Almost surely, 213944960 is an apocalyptic number.
13944960 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 13944960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24992550).
13944960 is an abundant number, since it is smaller than the sum of its proper divisors (36040140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13944960 is an equidigital number, since it uses as much as digits as its factorization.
13944960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300 (or 279 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 13944960 is about 3734.2951142083. The cubic root of 13944960 is about 240.6979682006.
The spelling of 13944960 in words is "thirteen million, nine hundred forty-four thousand, nine hundred sixty".
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