Base | Representation |
---|---|
bin | 101111111100… |
… | …011100011001 |
3 | 212122112112021 |
4 | 233330130121 |
5 | 11204141340 |
6 | 1125214441 |
7 | 211554256 |
oct | 57743431 |
9 | 25575467 |
10 | 12568345 |
11 | 7104869 |
12 | 4261421 |
13 | 27b08ba |
14 | 195242d |
15 | 1183e4a |
hex | bfc719 |
12568345 has 16 divisors (see below), whose sum is σ = 15877008. Its totient is φ = 9538560.
The previous prime is 12568333. The next prime is 12568351. The reversal of 12568345 is 54386521.
It can be written as a sum of positive squares in 8 ways, for example, as 589824 + 11978521 = 768^2 + 3461^2 .
It is not a de Polignac number, because 12568345 - 27 = 12568217 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12568345.
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, 6757 + ... + 8413.
It is an arithmetic number, because the mean of its divisors is an integer number (992313).
Almost surely, 212568345 is an apocalyptic number.
It is an amenable number.
12568345 is a deficient number, since it is larger than the sum of its proper divisors (3308663).
12568345 is a wasteful number, since it uses less digits than its factorization.
12568345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1740.
The product of its digits is 28800, while the sum is 34.
The square root of 12568345 is about 3545.1861728265. The cubic root of 12568345 is about 232.5016456507.
The spelling of 12568345 in words is "twelve million, five hundred sixty-eight thousand, three hundred forty-five".
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