Base | Representation |
---|---|
bin | 1011111111010101110100 |
3 | 12220200102110 |
4 | 23333111310 |
5 | 1301034103 |
6 | 151211020 |
7 | 35500230 |
oct | 13772564 |
9 | 5820373 |
10 | 3143028 |
11 | 1857449 |
12 | 1076a70 |
13 | 8607a5 |
14 | 5bb5c0 |
15 | 421403 |
hex | 2ff574 |
3143028 has 96 divisors (see below), whose sum is σ = 9289728. Its totient is φ = 806400.
The previous prime is 3143027. The next prime is 3143029. The reversal of 3143028 is 8203413.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (3143027) and next prime (3143029).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 3142995 and 3143013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3143027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44233 + ... + 44303.
It is an arithmetic number, because the mean of its divisors is an integer number (96768).
Almost surely, 23143028 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 3143028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644864).
3143028 is an abundant number, since it is smaller than the sum of its proper divisors (6146700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3143028 is a wasteful number, since it uses less digits than its factorization.
3143028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133 (or 131 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 3143028 is about 1772.8587084142. The cubic root of 3143028 is about 146.4814903599.
The spelling of 3143028 in words is "three million, one hundred forty-three thousand, twenty-eight".
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