Base | Representation |
---|---|
bin | 11010000101011… |
… | …01001010010100 |
3 | 120020201212010000 |
4 | 31002231022110 |
5 | 422004004301 |
6 | 33413531300 |
7 | 5264610666 |
oct | 1502551224 |
9 | 506655100 |
10 | 218813076 |
11 | 102572559 |
12 | 61343b30 |
13 | 364433c1 |
14 | 210bc536 |
15 | 14323786 |
hex | d0ad294 |
218813076 has 60 divisors (see below), whose sum is σ = 596911392. Its totient is φ = 69764112.
The previous prime is 218813071. The next prime is 218813129. The reversal of 218813076 is 670318812.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 218813076.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (218813071) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7230 + ... + 22133.
Almost surely, 2218813076 is an apocalyptic number.
It is an amenable number.
218813076 is an abundant number, since it is smaller than the sum of its proper divisors (378098316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218813076 is a wasteful number, since it uses less digits than its factorization.
218813076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29402 (or 29391 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 218813076 is about 14792.3316620471. The cubic root of 218813076 is about 602.5934736720.
The spelling of 218813076 in words is "two hundred eighteen million, eight hundred thirteen thousand, seventy-six".
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