Base | Representation |
---|---|
bin | 11101010001000… |
… | …11000100011001 |
3 | 122002222012222201 |
4 | 32220203010121 |
5 | 1000322313200 |
6 | 40210050201 |
7 | 6040542556 |
oct | 1650430431 |
9 | 562865881 |
10 | 245510425 |
11 | 116647686 |
12 | 6a279961 |
13 | 3bb30054 |
14 | 2486ba2d |
15 | 16848c6a |
hex | ea23119 |
245510425 has 6 divisors (see below), whose sum is σ = 304432958. Its totient is φ = 196408320.
The previous prime is 245510423. The next prime is 245510443. The reversal of 245510425 is 524015542.
It can be written as a sum of positive squares in 3 ways, for example, as 45118089 + 200392336 = 6717^2 + 14156^2 .
It is not a de Polignac number, because 245510425 - 21 = 245510423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 245510393 and 245510402.
It is not an unprimeable number, because it can be changed into a prime (245510423) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4910184 + ... + 4910233.
Almost surely, 2245510425 is an apocalyptic number.
245510425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
245510425 is a deficient number, since it is larger than the sum of its proper divisors (58922533).
245510425 is an equidigital number, since it uses as much as digits as its factorization.
245510425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9820427 (or 9820422 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 28.
The square root of 245510425 is about 15668.7722875789. The cubic root of 245510425 is about 626.1667166803.
Adding to 245510425 its reverse (524015542), we get a palindrome (769525967).
It can be divided in two parts, 2455 and 10425, that added together give a triangular number (12880 = T160).
The spelling of 245510425 in words is "two hundred forty-five million, five hundred ten thousand, four hundred twenty-five".
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