Base | Representation |
---|---|
bin | 1011100001100101011000 |
3 | 12200111020020 |
4 | 23201211120 |
5 | 1233134034 |
6 | 144430440 |
7 | 34452000 |
oct | 13414530 |
9 | 5614206 |
10 | 3021144 |
11 | 1783915 |
12 | 1018420 |
13 | 81a179 |
14 | 589000 |
15 | 3ea249 |
hex | 2e1958 |
3021144 has 64 divisors (see below), whose sum is σ = 8832000. Its totient is φ = 860832.
The previous prime is 3021131. The next prime is 3021157. The reversal of 3021144 is 4411203.
It is an interprime number because it is at equal distance from previous prime (3021131) and next prime (3021157).
It is a super-2 number, since 2×30211442 = 18254622137472, which contains 22 as substring.
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, 8049 + ... + 8415.
It is an arithmetic number, because the mean of its divisors is an integer number (138000).
Almost surely, 23021144 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 3021144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4416000).
3021144 is an abundant number, since it is smaller than the sum of its proper divisors (5810856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3021144 is a wasteful number, since it uses less digits than its factorization.
3021144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 3021144 is about 1738.1438375462. The cubic root of 3021144 is about 144.5629966016.
Adding to 3021144 its reverse (4411203), we get a palindrome (7432347).
The spelling of 3021144 in words is "three million, twenty-one thousand, one hundred forty-four".
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