Base | Representation |
---|---|
bin | 11001011001111… |
… | …01100110001110 |
3 | 112212000021101121 |
4 | 30230331212032 |
5 | 414024110410 |
6 | 33051431154 |
7 | 5165301241 |
oct | 1454754616 |
9 | 485007347 |
10 | 213113230 |
11 | aa32a140 |
12 | 5b4554ba |
13 | 351c8c05 |
14 | 20437258 |
15 | 13a999da |
hex | cb3d98e |
213113230 has 32 divisors (see below), whose sum is σ = 419696640. Its totient is φ = 77269920.
The previous prime is 213113179. The next prime is 213113231. The reversal of 213113230 is 32311312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213113231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37731 + ... + 43009.
It is an arithmetic number, because the mean of its divisors is an integer number (13115520).
Almost surely, 2213113230 is an apocalyptic number.
213113230 is a deficient number, since it is larger than the sum of its proper divisors (206583410).
213113230 is a wasteful number, since it uses less digits than its factorization.
213113230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5664.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 213113230 is about 14598.3981998026. The cubic root of 213113230 is about 597.3150679697.
Adding to 213113230 its reverse (32311312), we get a palindrome (245424542).
The spelling of 213113230 in words is "two hundred thirteen million, one hundred thirteen thousand, two hundred thirty".
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