Base | Representation |
---|---|
bin | 11000110000011… |
… | …11010011111000 |
3 | 112110210021110000 |
4 | 30120033103320 |
5 | 411131241020 |
6 | 32335153000 |
7 | 5101154160 |
oct | 1430172370 |
9 | 473707400 |
10 | 207680760 |
11 | a72596a1 |
12 | 59675760 |
13 | 34046331 |
14 | 1d8215a0 |
15 | 13375090 |
hex | c60f4f8 |
207680760 has 160 divisors (see below), whose sum is σ = 797844960. Its totient is φ = 47464704.
The previous prime is 207680747. The next prime is 207680761. The reversal of 207680760 is 67086702.
207680760 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 (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207680761) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18102 + ... + 27258.
It is an arithmetic number, because the mean of its divisors is an integer number (4986531).
Almost surely, 2207680760 is an apocalyptic number.
207680760 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 207680760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398922480).
207680760 is an abundant number, since it is smaller than the sum of its proper divisors (590164200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207680760 is a wasteful number, since it uses less digits than its factorization.
207680760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9187 (or 9174 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 207680760 is about 14411.1331962480. The cubic root of 207680760 is about 592.1959343531.
The spelling of 207680760 in words is "two hundred seven million, six hundred eighty thousand, seven hundred sixty".
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