Base | Representation |
---|---|
bin | 11000101011111… |
… | …00011010000000 |
3 | 112102122201001002 |
4 | 30111330122000 |
5 | 411003012130 |
6 | 32314231132 |
7 | 5063066660 |
oct | 1425743200 |
9 | 472581032 |
10 | 207079040 |
11 | a6988603 |
12 | 594254a8 |
13 | 33b9549c |
14 | 1d7061a0 |
15 | 132a6b45 |
hex | c57c680 |
207079040 has 128 divisors (see below), whose sum is σ = 599270400. Its totient is φ = 66797568.
The previous prime is 207079007. The next prime is 207079063. The reversal of 207079040 is 40970702.
207079040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a junction number, because it is equal to n+sod(n) for n = 207078994 and 207079012.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74801 + ... + 77519.
It is an arithmetic number, because the mean of its divisors is an integer number (4681800).
Almost surely, 2207079040 is an apocalyptic number.
207079040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 207079040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299635200).
207079040 is an abundant number, since it is smaller than the sum of its proper divisors (392191360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207079040 is a wasteful number, since it uses less digits than its factorization.
207079040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2762 (or 2750 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 29.
The square root of 207079040 is about 14390.2411376599. The cubic root of 207079040 is about 591.6234518019.
The spelling of 207079040 in words is "two hundred seven million, seventy-nine thousand, forty".
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