Base | Representation |
---|---|
bin | 11110000110110… |
… | …00101100010000 |
3 | 122121012122201110 |
4 | 33003120230100 |
5 | 1004122431213 |
6 | 41020533320 |
7 | 6154414104 |
oct | 1703305420 |
9 | 577178643 |
10 | 252545808 |
11 | 11a612449 |
12 | 706b1240 |
13 | 404243b8 |
14 | 2577d904 |
15 | 172885c3 |
hex | f0d8b10 |
252545808 has 40 divisors (see below), whose sum is σ = 654868800. Its totient is φ = 83864704.
The previous prime is 252545801. The next prime is 252545849. The reversal of 252545808 is 808545252.
It is not an unprimeable number, because it can be changed into a prime (252545801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133 + ... + 22691.
It is an arithmetic number, because the mean of its divisors is an integer number (16371720).
Almost surely, 2252545808 is an apocalyptic number.
It is an amenable number.
252545808 is an abundant number, since it is smaller than the sum of its proper divisors (402322992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252545808 is a wasteful number, since it uses less digits than its factorization.
252545808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19839 (or 19833 counting only the distinct ones).
The product of its (nonzero) digits is 128000, while the sum is 39.
The square root of 252545808 is about 15891.6899038460. The cubic root of 252545808 is about 632.0916520395.
The spelling of 252545808 in words is "two hundred fifty-two million, five hundred forty-five thousand, eight hundred eight".
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