Base | Representation |
---|---|
bin | 11010000001000… |
… | …11101101000000 |
3 | 120012200020210010 |
4 | 31000203231000 |
5 | 421333000143 |
6 | 33353504520 |
7 | 5260044342 |
oct | 1500435500 |
9 | 505606703 |
10 | 218250048 |
11 | 102218545 |
12 | 61112140 |
13 | 362a7053 |
14 | 20db3292 |
15 | 14261a33 |
hex | d023b40 |
218250048 has 28 divisors (see below), whose sum is σ = 577453760. Its totient is φ = 72749952.
The previous prime is 218250047. The next prime is 218250049. The reversal of 218250048 is 840052812.
It is an interprime number because it is at equal distance from previous prime (218250047) and next prime (218250049).
It is a junction number, because it is equal to n+sod(n) for n = 218249997 and 218250024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (218250047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568168 + ... + 568551.
Almost surely, 2218250048 is an apocalyptic number.
It is an amenable number.
218250048 is an abundant number, since it is smaller than the sum of its proper divisors (359203712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218250048 is a wasteful number, since it uses less digits than its factorization.
218250048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1136734 (or 1136724 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 218250048 is about 14773.2883272479. The cubic root of 218250048 is about 602.0761852492.
The spelling of 218250048 in words is "two hundred eighteen million, two hundred fifty thousand, forty-eight".
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