Base | Representation |
---|---|
bin | 11001011100111… |
… | …11100101000000 |
3 | 112212202122220200 |
4 | 30232133211000 |
5 | 414124431220 |
6 | 33104205200 |
7 | 5201562300 |
oct | 1456374500 |
9 | 485678820 |
10 | 213514560 |
11 | aa583716 |
12 | 5b609800 |
13 | 3530979c |
14 | 204dd600 |
15 | 13b28890 |
hex | cb9f940 |
213514560 has 504 divisors, whose sum is σ = 914720040. Its totient is φ = 45416448.
The previous prime is 213514547. The next prime is 213514573. The reversal of 213514560 is 65415312.
213514560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (213514547) and next prime (213514573).
It can be written as a sum of positive squares in 4 ways, for example, as 19079424 + 194435136 = 4368^2 + 13944^2 .
It is a tau number, because it is divible by the number of its divisors (504).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2398996 + ... + 2399084.
Almost surely, 2213514560 is an apocalyptic number.
213514560 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 213514560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457360020).
213514560 is an abundant number, since it is smaller than the sum of its proper divisors (701205480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213514560 is a wasteful number, since it uses less digits than its factorization.
213514560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143 (or 123 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 213514560 is about 14612.1374206514. The cubic root of 213514560 is about 597.6897829116.
Adding to 213514560 its reverse (65415312), we get a palindrome (278929872).
The spelling of 213514560 in words is "two hundred thirteen million, five hundred fourteen thousand, five hundred sixty".
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