Base | Representation |
---|---|
bin | 11001001101000… |
… | …00010010001100 |
3 | 112201211021010111 |
4 | 30212200102030 |
5 | 413110422200 |
6 | 32551245404 |
7 | 5145020500 |
oct | 1446402214 |
9 | 481737114 |
10 | 211420300 |
11 | a9383223 |
12 | 5a979864 |
13 | 34a55490 |
14 | 20116300 |
15 | 138630ba |
hex | c9a048c |
211420300 has 108 divisors (see below), whose sum is σ = 574911120. Its totient is φ = 66890880.
The previous prime is 211420289. The next prime is 211420343. The reversal of 211420300 is 3024112.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62041 + ... + 65359.
Almost surely, 2211420300 is an apocalyptic number.
211420300 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 211420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287455560).
211420300 is an abundant number, since it is smaller than the sum of its proper divisors (363490820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211420300 is a wasteful number, since it uses less digits than its factorization.
211420300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3360 (or 3346 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 211420300 is about 14540.2991716127. The cubic root of 211420300 is about 595.7292097489.
Adding to 211420300 its reverse (3024112), we get a palindrome (214444412).
The spelling of 211420300 in words is "two hundred eleven million, four hundred twenty thousand, three hundred".
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