Base | Representation |
---|---|
bin | 11001011101000… |
… | …01101011000101 |
3 | 112212210002200111 |
4 | 30232201223011 |
5 | 414130220031 |
6 | 33104313021 |
7 | 5201626306 |
oct | 1456415305 |
9 | 485702614 |
10 | 213523141 |
11 | aa58a107 |
12 | 5b612771 |
13 | 35310670 |
14 | 205027ad |
15 | 13b2b1b1 |
hex | cba1ac5 |
213523141 has 8 divisors (see below), whose sum is σ = 230446944. Its totient is φ = 196670640.
The previous prime is 213523139. The next prime is 213523151. The reversal of 213523141 is 141325312.
It is a happy number.
213523141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is the 5966-th star number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213523141 - 21 = 213523139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213523151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11515 + ... + 23656.
It is an arithmetic number, because the mean of its divisors is an integer number (28805868).
Almost surely, 2213523141 is an apocalyptic number.
It is an amenable number.
213523141 is a deficient number, since it is larger than the sum of its proper divisors (16923803).
213523141 is a wasteful number, since it uses less digits than its factorization.
213523141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35651.
The product of its digits is 720, while the sum is 22.
The square root of 213523141 is about 14612.4310434643. The cubic root of 213523141 is about 597.6977897150.
Adding to 213523141 its reverse (141325312), we get a palindrome (354848453).
The spelling of 213523141 in words is "two hundred thirteen million, five hundred twenty-three thousand, one hundred forty-one".
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