Base | Representation |
---|---|
bin | 110000101001… |
… | …111001101100 |
3 | 212222222221101 |
4 | 300221321230 |
5 | 11231121130 |
6 | 1133212444 |
7 | 213261151 |
oct | 60517154 |
9 | 25888841 |
10 | 12754540 |
11 | 7221747 |
12 | 4331124 |
13 | 2847586 |
14 | 19a0228 |
15 | 11be1ca |
hex | c29e6c |
12754540 has 12 divisors (see below), whose sum is σ = 26784576. Its totient is φ = 5101808.
The previous prime is 12754537. The next prime is 12754541. The reversal of 12754540 is 4545721.
12754540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×127545402 = 325356581223200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12754499 and 12754508.
It is not an unprimeable number, because it can be changed into a prime (12754541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318844 + ... + 318883.
It is an arithmetic number, because the mean of its divisors is an integer number (2232048).
Almost surely, 212754540 is an apocalyptic number.
12754540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12754540 is an abundant number, since it is smaller than the sum of its proper divisors (14030036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12754540 is a wasteful number, since it uses less digits than its factorization.
12754540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637736 (or 637734 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 28.
The square root of 12754540 is about 3571.3498848475. The cubic root of 12754540 is about 233.6441617186.
The spelling of 12754540 in words is "twelve million, seven hundred fifty-four thousand, five hundred forty".
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