Base | Representation |
---|---|
bin | 11010000101101… |
… | …11010111000000 |
3 | 120020210222102010 |
4 | 31002313113000 |
5 | 422011323343 |
6 | 33414452520 |
7 | 5265143532 |
oct | 1502672700 |
9 | 506728363 |
10 | 218854848 |
11 | 1025a0983 |
12 | 61364140 |
13 | 36459414 |
14 | 210cd852 |
15 | 14330d33 |
hex | d0b75c0 |
218854848 has 28 divisors (see below), whose sum is σ = 579053960. Its totient is φ = 72951552.
The previous prime is 218854841. The next prime is 218854849. The reversal of 218854848 is 848458812.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 218854797 and 218854806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (218854841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569743 + ... + 570126.
Almost surely, 2218854848 is an apocalyptic number.
It is an amenable number.
218854848 is an abundant number, since it is smaller than the sum of its proper divisors (360199112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218854848 is a wasteful number, since it uses less digits than its factorization.
218854848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1139884 (or 1139874 counting only the distinct ones).
The product of its digits is 655360, while the sum is 48.
The square root of 218854848 is about 14793.7435424574. The cubic root of 218854848 is about 602.6318167995.
The spelling of 218854848 in words is "two hundred eighteen million, eight hundred fifty-four thousand, eight hundred forty-eight".
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