Base | Representation |
---|---|
bin | 1001110100000011001001 |
3 | 11211200210101 |
4 | 21310003021 |
5 | 1124304424 |
6 | 131045401 |
7 | 30602653 |
oct | 11640311 |
9 | 4750711 |
10 | 2572489 |
11 | 14a7827 |
12 | a40861 |
13 | 6c0baa |
14 | 4ad6d3 |
15 | 35c344 |
hex | 2740c9 |
2572489 has 2 divisors, whose sum is σ = 2572490. Its totient is φ = 2572488.
The previous prime is 2572487. The next prime is 2572513. The reversal of 2572489 is 9842752.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2534464 + 38025 = 1592^2 + 195^2 .
It is a cyclic number.
It is not a de Polignac number, because 2572489 - 21 = 2572487 is a prime.
Together with 2572487, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2572483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286244 + 1286245.
It is an arithmetic number, because the mean of its divisors is an integer number (1286245).
22572489 is an apocalyptic number.
It is an amenable number.
2572489 is a deficient number, since it is larger than the sum of its proper divisors (1).
2572489 is an equidigital number, since it uses as much as digits as its factorization.
2572489 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 40320, while the sum is 37.
The square root of 2572489 is about 1603.8980640926. The cubic root of 2572489 is about 137.0201721411.
The spelling of 2572489 in words is "two million, five hundred seventy-two thousand, four hundred eighty-nine".
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