245828 has 24 divisors (see below), whose sum is σ = 485184. Its totient is φ = 108000.
The previous prime is 245821. The next prime is 245849. The reversal of 245828 is 828542.
It is a self number, because there is not a number n which added to its sum of digits gives 245828.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245828.
It is not an unprimeable number, because it can be changed into a prime (245821) by changing a digit.
245828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553 + ... + 1703.
It is an arithmetic number, because the mean of its divisors is an integer number (20216).
2245828 is an apocalyptic number.
It is an amenable number.
245828 is a deficient number, since it is larger than the sum of its proper divisors (239356).
245828 is a wasteful number, since it uses less digits than its factorization.
245828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203 (or 201 counting only the distinct ones).
The product of its digits is 5120, while the sum is 29.
The square root of 245828 is about 495.8104476511. The cubic root of 245828 is about 62.6436588744.
The spelling of 245828 in words is "two hundred forty-five thousand, eight hundred twenty-eight".
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