Base | Representation |
---|---|
bin | 110101001100… |
… | …011010001000 |
3 | 222020110012100 |
4 | 311030122020 |
5 | 12032210311 |
6 | 1214513400 |
7 | 226345251 |
oct | 65143210 |
9 | 28213170 |
10 | 13944456 |
11 | 7964749 |
12 | 4805860 |
13 | 2b73076 |
14 | 1bcdb28 |
15 | 1356a56 |
hex | d4c688 |
13944456 has 48 divisors (see below), whose sum is σ = 37952460. Its totient is φ = 4625280.
The previous prime is 13944439. The next prime is 13944481. The reversal of 13944456 is 65444931.
It can be written as a sum of positive squares in 2 ways, for example, as 11492100 + 2452356 = 3390^2 + 1566^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 13944456.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20766 + ... + 21426.
Almost surely, 213944456 is an apocalyptic number.
It is an amenable number.
13944456 is an abundant number, since it is smaller than the sum of its proper divisors (24008004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13944456 is a wasteful number, since it uses less digits than its factorization.
13944456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 966 (or 959 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 13944456 is about 3734.2276309834. The cubic root of 13944456 is about 240.6950683898.
It can be divided in two parts, 13944 and 456, that added together give a square (14400 = 1202).
The spelling of 13944456 in words is "thirteen million, nine hundred forty-four thousand, four hundred fifty-six".
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