Base | Representation |
---|---|
bin | 1011010101011000001000 |
3 | 12120221122101 |
4 | 23111120020 |
5 | 1230034034 |
6 | 143403144 |
7 | 34153141 |
oct | 13253010 |
9 | 5527571 |
10 | 2971144 |
11 | 174a2a0 |
12 | bb34b4 |
13 | 800497 |
14 | 574ac8 |
15 | 3da514 |
hex | 2d5608 |
2971144 has 32 divisors (see below), whose sum is σ = 6400800. Its totient is φ = 1278720.
The previous prime is 2971139. The next prime is 2971159. The reversal of 2971144 is 4411792.
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, 784 + ... + 2560.
It is an arithmetic number, because the mean of its divisors is an integer number (200025).
22971144 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 2971144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200400).
2971144 is an abundant number, since it is smaller than the sum of its proper divisors (3429656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2971144 is a wasteful number, since it uses less digits than its factorization.
2971144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1813 (or 1809 counting only the distinct ones).
The product of its digits is 2016, while the sum is 28.
The square root of 2971144 is about 1723.7006700701. The cubic root of 2971144 is about 143.7610491822.
It can be divided in two parts, 297 and 1144, that added together give a palindrome (1441).
The spelling of 2971144 in words is "two million, nine hundred seventy-one thousand, one hundred forty-four".
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