Base | Representation |
---|---|
bin | 11101001111000… |
… | …10010001100100 |
3 | 122002110201221012 |
4 | 32213202101210 |
5 | 1000240320103 |
6 | 40200241352 |
7 | 6035356040 |
oct | 1647422144 |
9 | 562421835 |
10 | 245245028 |
11 | 116486246 |
12 | 6a170258 |
13 | 3ba69302 |
14 | 247dd020 |
15 | 167e52d8 |
hex | e9e2464 |
245245028 has 24 divisors (see below), whose sum is σ = 503748672. Its totient is φ = 102263904.
The previous prime is 245245019. The next prime is 245245087. The reversal of 245245028 is 820542542.
It is a junction number, because it is equal to n+sod(n) for n = 245244985 and 245245003.
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 7 ways as a sum of consecutive naturals, for example, 117326 + ... + 119397.
It is an arithmetic number, because the mean of its divisors is an integer number (20989528).
Almost surely, 2245245028 is an apocalyptic number.
245245028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
245245028 is an abundant number, since it is smaller than the sum of its proper divisors (258503644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245245028 is a wasteful number, since it uses less digits than its factorization.
245245028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236771 (or 236769 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 32.
The square root of 245245028 is about 15660.3010188183. The cubic root of 245245028 is about 625.9410063934.
The spelling of 245245028 in words is "two hundred forty-five million, two hundred forty-five thousand, twenty-eight".
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