Base | Representation |
---|---|
bin | 1011111111110101101001 |
3 | 12220210012220 |
4 | 23333311221 |
5 | 1301120230 |
6 | 151224253 |
7 | 35506200 |
oct | 13776551 |
9 | 5823186 |
10 | 3145065 |
11 | 1858a30 |
12 | 1078089 |
13 | 8616b1 |
14 | 5bc237 |
15 | 421d10 |
hex | 2ffd69 |
3145065 has 48 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 1303680.
The previous prime is 3145057. The next prime is 3145091. The reversal of 3145065 is 5605413.
It is not a de Polignac number, because 3145065 - 23 = 3145057 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7891 + ... + 8279.
It is an arithmetic number, because the mean of its divisors is an integer number (133380).
Almost surely, 23145065 is an apocalyptic number.
3145065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3145065 is an abundant number, since it is smaller than the sum of its proper divisors (3257175).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145065 is a wasteful number, since it uses less digits than its factorization.
3145065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422 (or 415 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 3145065 is about 1773.4331112280. The cubic root of 3145065 is about 146.5131284658.
The spelling of 3145065 in words is "three million, one hundred forty-five thousand, sixty-five".
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