Base | Representation |
---|---|
bin | 1001010000001111010111 |
3 | 11120020121000 |
4 | 21100033113 |
5 | 1110111230 |
6 | 123554343 |
7 | 26422230 |
oct | 11201727 |
9 | 4506530 |
10 | 2425815 |
11 | 1407607 |
12 | 98b9b3 |
13 | 66c1c2 |
14 | 472087 |
15 | 32db60 |
hex | 2503d7 |
2425815 has 64 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 1036800.
The previous prime is 2425799. The next prime is 2425837. The reversal of 2425815 is 5185242.
It is a happy number.
2425815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2425815 - 24 = 2425799 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
2425815 is a lucky number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15990 + ... + 16140.
It is an arithmetic number, because the mean of its divisors is an integer number (82080).
22425815 is an apocalyptic number.
2425815 is an abundant number, since it is smaller than the sum of its proper divisors (2827305).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2425815 is a wasteful number, since it uses less digits than its factorization.
2425815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189 (or 183 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 2425815 is about 1557.5028089862. The cubic root of 2425815 is about 134.3649182990.
It can be divided in two parts, 2425 and 815, that added together give a triangular number (3240 = T80).
The spelling of 2425815 in words is "two million, four hundred twenty-five thousand, eight hundred fifteen".
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