Base | Representation |
---|---|
bin | 1011111110111000011001 |
3 | 12220120211201 |
4 | 23332320121 |
5 | 1301004040 |
6 | 151154201 |
7 | 35461600 |
oct | 13767031 |
9 | 5816751 |
10 | 3141145 |
11 | 1855a97 |
12 | 1075961 |
13 | 85c987 |
14 | 5baa37 |
15 | 420a9a |
hex | 2fee19 |
3141145 has 12 divisors (see below), whose sum is σ = 4385124. Its totient is φ = 2153760.
The previous prime is 3141143. The next prime is 3141163. The reversal of 3141145 is 5411413.
It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 2569609 = 756^2 + 1603^2 .
It is not a de Polignac number, because 3141145 - 21 = 3141143 is a prime.
It is a super-2 number, since 2×31411452 = 19733583822050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3141143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6166 + ... + 6655.
It is an arithmetic number, because the mean of its divisors is an integer number (365427).
Almost surely, 23141145 is an apocalyptic number.
3141145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3141145 is a deficient number, since it is larger than the sum of its proper divisors (1243979).
3141145 is a wasteful number, since it uses less digits than its factorization.
3141145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12840 (or 12833 counting only the distinct ones).
The product of its digits is 240, while the sum is 19.
The square root of 3141145 is about 1772.3275656605. The cubic root of 3141145 is about 146.4522319773.
Adding to 3141145 its reverse (5411413), we get a palindrome (8552558).
The spelling of 3141145 in words is "three million, one hundred forty-one thousand, one hundred forty-five".
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