Base | Representation |
---|---|
bin | 1011111010111110000000 |
3 | 12212202212012 |
4 | 23322332000 |
5 | 1300000440 |
6 | 150552052 |
7 | 35364065 |
oct | 13727600 |
9 | 5782765 |
10 | 3125120 |
11 | 1844a49 |
12 | 1068628 |
13 | 8555ab |
14 | 5b4c6c |
15 | 41ae65 |
hex | 2faf80 |
3125120 has 64 divisors (see below), whose sum is σ = 7894800. Its totient is φ = 1179648.
The previous prime is 3125117. The next prime is 3125147. The reversal of 3125120 is 215213.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 3125095 and 3125104.
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, 12032 + ... + 12288.
Almost surely, 23125120 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 3125120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3947400).
3125120 is an abundant number, since it is smaller than the sum of its proper divisors (4769680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3125120 is a wasteful number, since it uses less digits than its factorization.
3125120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295 (or 283 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 3125120 is about 1767.8008937660. The cubic root of 3125120 is about 146.2027582580.
The spelling of 3125120 in words is "three million, one hundred twenty-five thousand, one hundred twenty".
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