Base | Representation |
---|---|
bin | 11000101011110… |
… | …10001111111000 |
3 | 112102122020220200 |
4 | 30111322033320 |
5 | 411002221300 |
6 | 32314122200 |
7 | 5063032131 |
oct | 1425721770 |
9 | 472566820 |
10 | 207070200 |
11 | a69819a7 |
12 | 59420360 |
13 | 33b9145c |
14 | 1d702c88 |
15 | 132a4200 |
hex | c57a3f8 |
207070200 has 288 divisors, whose sum is σ = 754706160. Its totient is φ = 50688000.
The previous prime is 207070177. The next prime is 207070207. The reversal of 207070200 is 2070702.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207070207) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2050150 + ... + 2050250.
Almost surely, 2207070200 is an apocalyptic number.
207070200 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 207070200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377353080).
207070200 is an abundant number, since it is smaller than the sum of its proper divisors (547635960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207070200 is a wasteful number, since it uses less digits than its factorization.
207070200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207 (or 195 counting only the distinct ones).
The product of its (nonzero) digits is 196, while the sum is 18.
The square root of 207070200 is about 14389.9339817805. The cubic root of 207070200 is about 591.6150330749.
Multiplying 207070200 by its reverse (2070702), we get a square (428780677280400 = 207070202).
207070200 divided by its reverse (2070702) gives a square (100 = 102).
The spelling of 207070200 in words is "two hundred seven million, seventy thousand, two hundred".
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