Base | Representation |
---|---|
bin | 1011111111110110111010 |
3 | 12220210022220 |
4 | 23333312322 |
5 | 1301121041 |
6 | 151224510 |
7 | 35506344 |
oct | 13776672 |
9 | 5823286 |
10 | 3145146 |
11 | 1858aa4 |
12 | 1078136 |
13 | 861744 |
14 | 5bc294 |
15 | 421d66 |
hex | 2ffdba |
3145146 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 970416.
The previous prime is 3145141. The next prime is 3145147. The reversal of 3145146 is 6415413.
It is a super-3 number, since 3×31451463 = 93334818285208716408, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (3145141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5065 + ... + 5651.
It is an arithmetic number, because the mean of its divisors is an integer number (211680).
Almost surely, 23145146 is an apocalyptic number.
3145146 is an abundant number, since it is smaller than the sum of its proper divisors (3628614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145146 is a wasteful number, since it uses less digits than its factorization.
3145146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658.
The product of its digits is 1440, while the sum is 24.
The square root of 3145146 is about 1773.4559481419. The cubic root of 3145146 is about 146.5143862524.
It can be divided in two parts, 314 and 5146, that added together give a triangular number (5460 = T104).
The spelling of 3145146 in words is "three million, one hundred forty-five thousand, one hundred forty-six".
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