Base | Representation |
---|---|
bin | 11101010001110… |
… | …01010111000000 |
3 | 122010010212020022 |
4 | 32220321113000 |
5 | 1000333223403 |
6 | 40212033012 |
7 | 6041403011 |
oct | 1650712700 |
9 | 563125208 |
10 | 245601728 |
11 | 1166aa239 |
12 | 6a302768 |
13 | 3bb62788 |
14 | 24893008 |
15 | 16865d38 |
hex | ea395c0 |
245601728 has 28 divisors (see below), whose sum is σ = 508558800. Its totient is φ = 117460992.
The previous prime is 245601691. The next prime is 245601739. The reversal of 245601728 is 827106542.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81953 + ... + 84896.
Almost surely, 2245601728 is an apocalyptic number.
It is an amenable number.
245601728 is an abundant number, since it is smaller than the sum of its proper divisors (262957072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245601728 is a wasteful number, since it uses less digits than its factorization.
245601728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166884 (or 166874 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 245601728 is about 15671.6855506994. The cubic root of 245601728 is about 626.2443288823.
The spelling of 245601728 in words is "two hundred forty-five million, six hundred one thousand, seven hundred twenty-eight".
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