Base | Representation |
---|---|
bin | 11000110010010… |
… | …10010111101100 |
3 | 112111020120021120 |
4 | 30121022113230 |
5 | 411212011133 |
6 | 32344300540 |
7 | 5103212352 |
oct | 1431122754 |
9 | 474216246 |
10 | 207922668 |
11 | a7404418 |
12 | 59771750 |
13 | 340cc485 |
14 | 1d8857d2 |
15 | 133c1ab3 |
hex | c64a5ec |
207922668 has 48 divisors (see below), whose sum is σ = 507413760. Its totient is φ = 66141504.
The previous prime is 207922639. The next prime is 207922669. The reversal of 207922668 is 866229702.
207922668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (207922669) 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, 236646 + ... + 237522.
It is an arithmetic number, because the mean of its divisors is an integer number (10571120).
Almost surely, 2207922668 is an apocalyptic number.
It is an amenable number.
207922668 is an abundant number, since it is smaller than the sum of its proper divisors (299491092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207922668 is a wasteful number, since it uses less digits than its factorization.
207922668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1766 (or 1764 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 207922668 is about 14419.5238478946. The cubic root of 207922668 is about 592.4257764560.
The spelling of 207922668 in words is "two hundred seven million, nine hundred twenty-two thousand, six hundred sixty-eight".
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