Base | Representation |
---|---|
bin | 11101001101010… |
… | …10100110110000 |
3 | 122002001011011000 |
4 | 32212222212300 |
5 | 1000211021013 |
6 | 40151322000 |
7 | 6033416205 |
oct | 1646524660 |
9 | 562034130 |
10 | 245017008 |
11 | 11633a9a5 |
12 | 6a080300 |
13 | 3b9b95a2 |
14 | 2477dcac |
15 | 1679c973 |
hex | e9aa9b0 |
245017008 has 80 divisors (see below), whose sum is σ = 740329600. Its totient is φ = 77371200.
The previous prime is 245017001. The next prime is 245017021. The reversal of 245017008 is 800710542.
245017008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (245017001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6718 + ... + 23133.
It is an arithmetic number, because the mean of its divisors is an integer number (9254120).
Almost surely, 2245017008 is an apocalyptic number.
It is an amenable number.
245017008 is an abundant number, since it is smaller than the sum of its proper divisors (495312592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245017008 is a wasteful number, since it uses less digits than its factorization.
245017008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29887 (or 29875 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 245017008 is about 15653.0191337007. The cubic root of 245017008 is about 625.7469537671.
The spelling of 245017008 in words is "two hundred forty-five million, seventeen thousand, eight".
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