Base | Representation |
---|---|
bin | 11101010001110… |
… | …11011101010000 |
3 | 122010011022000112 |
4 | 32220323131100 |
5 | 1000334012240 |
6 | 40212140452 |
7 | 6041440034 |
oct | 1650733520 |
9 | 563138015 |
10 | 245610320 |
11 | 11670573a |
12 | 6a307728 |
13 | 3bb66667 |
14 | 248961c4 |
15 | 16868665 |
hex | ea3b750 |
245610320 has 20 divisors (see below), whose sum is σ = 571044180. Its totient is φ = 98244096.
The previous prime is 245610319. The next prime is 245610331. The reversal of 245610320 is 23016542.
It can be written as a sum of positive squares in 2 ways, for example, as 193655056 + 51955264 = 13916^2 + 7208^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534985 + ... + 1535144.
It is an arithmetic number, because the mean of its divisors is an integer number (28552209).
Almost surely, 2245610320 is an apocalyptic number.
245610320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245610320 is an abundant number, since it is smaller than the sum of its proper divisors (325433860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245610320 is a wasteful number, since it uses less digits than its factorization.
245610320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3070142 (or 3070136 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 245610320 is about 15671.9596732508. The cubic root of 245610320 is about 626.2516315298.
Adding to 245610320 its reverse (23016542), we get a palindrome (268626862).
The spelling of 245610320 in words is "two hundred forty-five million, six hundred ten thousand, three hundred twenty".
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