Base | Representation |
---|---|
bin | 10111110110101… |
… | …01001101000000 |
3 | 111221112021022212 |
4 | 23323111031000 |
5 | 402211241340 |
6 | 31504521252 |
7 | 4646562566 |
oct | 1373251500 |
9 | 457467285 |
10 | 200102720 |
11 | a2a53154 |
12 | 57020228 |
13 | 325c1c9c |
14 | 1c80ba36 |
15 | 12879a65 |
hex | bed5340 |
200102720 has 56 divisors (see below), whose sum is σ = 477731328. Its totient is φ = 79833600.
The previous prime is 200102681. The next prime is 200102789. The reversal of 200102720 is 27201002.
200102720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 200102695 and 200102704.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201425 + ... + 202415.
Almost surely, 2200102720 is an apocalyptic number.
200102720 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 200102720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238865664).
200102720 is an abundant number, since it is smaller than the sum of its proper divisors (277628608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200102720 is an equidigital number, since it uses as much as digits as its factorization.
200102720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1639 (or 1629 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 200102720 is about 14145.7668579685. The cubic root of 200102720 is about 584.9036488746.
Adding to 200102720 its reverse (27201002), we get a palindrome (227303722).
The spelling of 200102720 in words is "two hundred million, one hundred two thousand, seven hundred twenty".
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