Base | Representation |
---|---|
bin | 1010000000011010101001 |
3 | 11221021021112 |
4 | 22000122221 |
5 | 1132420040 |
6 | 132120105 |
7 | 31203440 |
oct | 12003251 |
9 | 4837245 |
10 | 2623145 |
11 | 1531898 |
12 | a66035 |
13 | 70ac75 |
14 | 4c3d57 |
15 | 36c365 |
hex | 2806a9 |
2623145 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 1783104.
The previous prime is 2623141. The next prime is 2623147. The reversal of 2623145 is 5413262.
It is a cyclic number.
It is not a de Polignac number, because 2623145 - 22 = 2623141 is a prime.
It is a d-powerful number, because it can be written as 219 + 64 + 221 + 33 + 1 + 44 + 53 .
It is a self number, because there is not a number n which added to its sum of digits gives 2623145.
It is not an unprimeable number, because it can be changed into a prime (2623141) 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, 4964 + ... + 5466.
It is an arithmetic number, because the mean of its divisors is an integer number (226800).
22623145 is an apocalyptic number.
It is an amenable number.
2623145 is a deficient number, since it is larger than the sum of its proper divisors (1005655).
2623145 is a wasteful number, since it uses less digits than its factorization.
2623145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 664.
The product of its digits is 1440, while the sum is 23.
The square root of 2623145 is about 1619.6126080023. The cubic root of 2623145 is about 137.9137071661.
The spelling of 2623145 in words is "two million, six hundred twenty-three thousand, one hundred forty-five".
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