Base | Representation |
---|---|
bin | 11001011010100… |
… | …11011000000000 |
3 | 112212011210202101 |
4 | 30231103120000 |
5 | 414034434212 |
6 | 33053400144 |
7 | 5166122302 |
oct | 1455233000 |
9 | 485153671 |
10 | 213202432 |
11 | aa390163 |
12 | 5b499054 |
13 | 3522a6b1 |
14 | 2045b972 |
15 | 13ab6157 |
hex | cb53600 |
213202432 has 80 divisors (see below), whose sum is σ = 448565040. Its totient is φ = 101097472.
The previous prime is 213202417. The next prime is 213202441. The reversal of 213202432 is 234202312.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232298 + ... + 1232470.
It is an arithmetic number, because the mean of its divisors is an integer number (5607063).
Almost surely, 2213202432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213202432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224282520).
213202432 is an abundant number, since it is smaller than the sum of its proper divisors (235362608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213202432 is an equidigital number, since it uses as much as digits as its factorization.
213202432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303 (or 287 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 213202432 is about 14601.4530783755. The cubic root of 213202432 is about 597.3983949824.
Adding to 213202432 its reverse (234202312), we get a palindrome (447404744).
The spelling of 213202432 in words is "two hundred thirteen million, two hundred two thousand, four hundred thirty-two".
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