Base | Representation |
---|---|
bin | 11101001110111… |
… | …01011101101000 |
3 | 122002102201220021 |
4 | 32213131131220 |
5 | 1000234202240 |
6 | 40200010224 |
7 | 6035244424 |
oct | 1647353550 |
9 | 562381807 |
10 | 245225320 |
11 | 11647245a |
12 | 6a160974 |
13 | 3ba60352 |
14 | 247d5b84 |
15 | 167de54a |
hex | e9dd768 |
245225320 has 32 divisors (see below), whose sum is σ = 563500800. Its totient is φ = 96002368.
The previous prime is 245225317. The next prime is 245225327. The reversal of 245225320 is 23522542.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (245225327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63340 + ... + 67099.
It is an arithmetic number, because the mean of its divisors is an integer number (17609400).
Almost surely, 2245225320 is an apocalyptic number.
245225320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245225320 is an abundant number, since it is smaller than the sum of its proper divisors (318275480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245225320 is a wasteful number, since it uses less digits than its factorization.
245225320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130497 (or 130493 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 245225320 is about 15659.6717717837. The cubic root of 245225320 is about 625.9242389780.
Adding to 245225320 its reverse (23522542), we get a palindrome (268747862).
It can be divided in two parts, 2452 and 25320, that added together give a palindrome (27772).
The spelling of 245225320 in words is "two hundred forty-five million, two hundred twenty-five thousand, three hundred twenty".
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