Base | Representation |
---|---|
bin | 1011111010111100011100 |
3 | 12212202201111 |
4 | 23322330130 |
5 | 1300000040 |
6 | 150551404 |
7 | 35363563 |
oct | 13727434 |
9 | 5782644 |
10 | 3125020 |
11 | 1844968 |
12 | 1068564 |
13 | 855532 |
14 | 5b4bda |
15 | 41adea |
hex | 2faf1c |
3125020 has 48 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 1175040.
The previous prime is 3125009. The next prime is 3125021. The reversal of 3125020 is 205213.
It is a nialpdrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3125021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30289 + ... + 30391.
It is an arithmetic number, because the mean of its divisors is an integer number (145236).
Almost surely, 23125020 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 3125020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664).
3125020 is an abundant number, since it is smaller than the sum of its proper divisors (3846308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3125020 is a wasteful number, since it uses less digits than its factorization.
3125020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190 (or 188 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 3125020 is about 1767.7726098116. The cubic root of 3125020 is about 146.2011988052.
The spelling of 3125020 in words is "three million, one hundred twenty-five thousand, twenty".
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