Base | Representation |
---|---|
bin | 11101001111101… |
… | …01010100010001 |
3 | 122002121200220222 |
4 | 32213311110101 |
5 | 1000300314100 |
6 | 40202042425 |
7 | 6036132323 |
oct | 1647652421 |
9 | 562550828 |
10 | 245323025 |
11 | 116529902 |
12 | 6a1a9415 |
13 | 3ba9596c |
14 | 2481d613 |
15 | 1680d485 |
hex | e9f5511 |
245323025 has 12 divisors (see below), whose sum is σ = 304396812. Its totient is φ = 196131840.
The previous prime is 245322949. The next prime is 245323051. The reversal of 245323025 is 520323542.
It can be written as a sum of positive squares in 6 ways, for example, as 6558721 + 238764304 = 2561^2 + 15452^2 .
It is not a de Polignac number, because 245323025 - 28 = 245322769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 245322985 and 245323003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66017 + ... + 69633.
It is an arithmetic number, because the mean of its divisors is an integer number (25366401).
Almost surely, 2245323025 is an apocalyptic number.
245323025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
245323025 is a deficient number, since it is larger than the sum of its proper divisors (59073787).
245323025 is a wasteful number, since it uses less digits than its factorization.
245323025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6340 (or 6335 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 26.
The square root of 245323025 is about 15662.7910986516. The cubic root of 245323025 is about 626.0073568326.
Adding to 245323025 its reverse (520323542), we get a palindrome (765646567).
The spelling of 245323025 in words is "two hundred forty-five million, three hundred twenty-three thousand, twenty-five".
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