Base | Representation |
---|---|
bin | 110001001001… |
… | …101000000101 |
3 | 220020121012011 |
4 | 301021220011 |
5 | 11244300420 |
6 | 1140054221 |
7 | 214342045 |
oct | 61115005 |
9 | 26217164 |
10 | 12884485 |
11 | 7300339 |
12 | 4394371 |
13 | 2891773 |
14 | 19d5725 |
15 | 11e795a |
hex | c49a05 |
12884485 has 16 divisors (see below), whose sum is σ = 16248960. Its totient is φ = 9789120.
The previous prime is 12884471. The next prime is 12884507. The reversal of 12884485 is 58448821.
12884485 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12884485 - 215 = 12851717 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20506 + ... + 21124.
It is an arithmetic number, because the mean of its divisors is an integer number (1015560).
Almost surely, 212884485 is an apocalyptic number.
It is an amenable number.
12884485 is a deficient number, since it is larger than the sum of its proper divisors (3364475).
12884485 is a wasteful number, since it uses less digits than its factorization.
12884485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 828.
The product of its digits is 81920, while the sum is 40.
The square root of 12884485 is about 3589.4964827953. The cubic root of 12884485 is about 234.4349484577.
The spelling of 12884485 in words is "twelve million, eight hundred eighty-four thousand, four hundred eighty-five".
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