Base | Representation |
---|---|
bin | 11001011010110… |
… | …10100001111101 |
3 | 112212020021221220 |
4 | 30231122201331 |
5 | 414041403431 |
6 | 33054143553 |
7 | 5166303612 |
oct | 1455324175 |
9 | 485207856 |
10 | 213231741 |
11 | aa400188 |
12 | 5b4b1bb9 |
13 | 3523ab38 |
14 | 20468509 |
15 | 13abeb96 |
hex | cb5a87d |
213231741 has 8 divisors (see below), whose sum is σ = 285005760. Its totient is φ = 141806112.
The previous prime is 213231719. The next prime is 213231749. The reversal of 213231741 is 147132312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213231741 - 25 = 213231709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213231749) 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, 85665 + ... + 88118.
It is an arithmetic number, because the mean of its divisors is an integer number (35625720).
Almost surely, 2213231741 is an apocalyptic number.
It is an amenable number.
213231741 is a deficient number, since it is larger than the sum of its proper divisors (71774019).
213231741 is a wasteful number, since it uses less digits than its factorization.
213231741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174195.
The product of its digits is 1008, while the sum is 24.
The square root of 213231741 is about 14602.4566768746. The cubic root of 213231741 is about 597.4257685715.
The spelling of 213231741 in words is "two hundred thirteen million, two hundred thirty-one thousand, seven hundred forty-one".
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