Base | Representation |
---|---|
bin | 1010000100110111101101 |
3 | 11222012022020 |
4 | 22010313231 |
5 | 1134011024 |
6 | 132340353 |
7 | 31310562 |
oct | 12046755 |
9 | 4865266 |
10 | 2641389 |
11 | 1544573 |
12 | a746b9 |
13 | 71636a |
14 | 4ca869 |
15 | 372979 |
hex | 284ded |
2641389 has 8 divisors (see below), whose sum is σ = 3675072. Its totient is φ = 1684320.
The previous prime is 2641369. The next prime is 2641391. The reversal of 2641389 is 9831462.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2641389 - 25 = 2641357 is a prime.
It is a d-powerful number, because it can be written as 219 + 64 + 47 + 1 + 37 + 87 + 92 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2641369) 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, 19072 + ... + 19209.
It is an arithmetic number, because the mean of its divisors is an integer number (459384).
22641389 is an apocalyptic number.
It is an amenable number.
2641389 is a deficient number, since it is larger than the sum of its proper divisors (1033683).
2641389 is a wasteful number, since it uses less digits than its factorization.
2641389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38307.
The product of its digits is 10368, while the sum is 33.
The square root of 2641389 is about 1625.2350599221. The cubic root of 2641389 is about 138.2326991835.
It can be divided in two parts, 264 and 1389, that added together give a triangular number (1653 = T57).
The spelling of 2641389 in words is "two million, six hundred forty-one thousand, three hundred eighty-nine".
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