Base | Representation |
---|---|
bin | 1010111010100011000000 |
3 | 12101100220011 |
4 | 22322203000 |
5 | 1213024443 |
6 | 141154304 |
7 | 33214555 |
oct | 12724300 |
9 | 5340804 |
10 | 2861248 |
11 | 1684775 |
12 | b5b994 |
13 | 792460 |
14 | 546a2c |
15 | 3b7b9d |
hex | 2ba8c0 |
2861248 has 56 divisors (see below), whose sum is σ = 6471920. Its totient is φ = 1244160.
The previous prime is 2861239. The next prime is 2861249. The reversal of 2861248 is 8421682.
It is not an unprimeable number, because it can be changed into a prime (2861249) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15718 + ... + 15898.
It is an arithmetic number, because the mean of its divisors is an integer number (115570).
22861248 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 2861248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3235960).
2861248 is an abundant number, since it is smaller than the sum of its proper divisors (3610672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2861248 is a wasteful number, since it uses less digits than its factorization.
2861248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225 (or 215 counting only the distinct ones).
The product of its digits is 6144, while the sum is 31.
The square root of 2861248 is about 1691.5223912204. The cubic root of 2861248 is about 141.9662685203.
The spelling of 2861248 in words is "two million, eight hundred sixty-one thousand, two hundred forty-eight".
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