Base | Representation |
---|---|
bin | 1011111110101001110111 |
3 | 12220112120021 |
4 | 23332221313 |
5 | 1300441330 |
6 | 151150011 |
7 | 35456101 |
oct | 13765167 |
9 | 5815507 |
10 | 3140215 |
11 | 1855321 |
12 | 1075307 |
13 | 85c420 |
14 | 5ba571 |
15 | 42067a |
hex | 2fea77 |
3140215 has 8 divisors (see below), whose sum is σ = 4058208. Its totient is φ = 2318880.
The previous prime is 3140209. The next prime is 3140233. The reversal of 3140215 is 5120413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3140215 - 25 = 3140183 is a prime.
It is a Duffinian number.
3140215 is a lucky number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24091 + ... + 24220.
It is an arithmetic number, because the mean of its divisors is an integer number (507276).
Almost surely, 23140215 is an apocalyptic number.
3140215 is a deficient number, since it is larger than the sum of its proper divisors (917993).
3140215 is a wasteful number, since it uses less digits than its factorization.
3140215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48329.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 3140215 is about 1772.0651793882. The cubic root of 3140215 is about 146.4377771612.
Adding to 3140215 its reverse (5120413), we get a palindrome (8260628).
The spelling of 3140215 in words is "three million, one hundred forty thousand, two hundred fifteen".
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