Base | Representation |
---|---|
bin | 110000101010… |
… | …000000000000 |
3 | 220000000111100 |
4 | 300222000000 |
5 | 11231124234 |
6 | 1133214400 |
7 | 213262266 |
oct | 60520000 |
9 | 26000440 |
10 | 12754944 |
11 | 7221a84 |
12 | 4331400 |
13 | 2847807 |
14 | 19a0436 |
15 | 11be399 |
hex | c2a000 |
12754944 has 84 divisors (see below), whose sum is σ = 37058346. Its totient is φ = 4227072.
The previous prime is 12754943. The next prime is 12754957. The reversal of 12754944 is 44945721.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 8294400 + 4460544 = 2880^2 + 2112^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 12754899 and 12754908.
It is not an unprimeable number, because it can be changed into a prime (12754943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73642 + ... + 73814.
Almost surely, 212754944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12754944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18529173).
12754944 is an abundant number, since it is smaller than the sum of its proper divisors (24303402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12754944 is an equidigital number, since it uses as much as digits as its factorization.
12754944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205 (or 178 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 12754944 is about 3571.4064456457. The cubic root of 12754944 is about 233.6466285852.
The spelling of 12754944 in words is "twelve million, seven hundred fifty-four thousand, nine hundred forty-four".
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