Base | Representation |
---|---|
bin | 1011111110101101111000 |
3 | 12220112220210 |
4 | 23332231320 |
5 | 1300443342 |
6 | 151151120 |
7 | 35456616 |
oct | 13765570 |
9 | 5815823 |
10 | 3140472 |
11 | 1855535 |
12 | 10754a0 |
13 | 85c58a |
14 | 5ba6b6 |
15 | 42079c |
hex | 2feb78 |
3140472 has 64 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 967680.
The previous prime is 3140447. The next prime is 3140507. The reversal of 3140472 is 2740413.
It is a congruent number.
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, 32328 + ... + 32424.
It is an arithmetic number, because the mean of its divisors is an integer number (132300).
Almost surely, 23140472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3140472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).
3140472 is an abundant number, since it is smaller than the sum of its proper divisors (5326728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3140472 is a wasteful number, since it uses less digits than its factorization.
3140472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196 (or 192 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 3140472 is about 1772.1376921673. The cubic root of 3140472 is about 146.4417719495.
Adding to 3140472 its reverse (2740413), we get a palindrome (5880885).
The spelling of 3140472 in words is "three million, one hundred forty thousand, four hundred seventy-two".
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