Base | Representation |
---|---|
bin | 11010010000001… |
… | …00101001001100 |
3 | 120100101100000120 |
4 | 31020010221030 |
5 | 422334014410 |
6 | 33504024540 |
7 | 5312560521 |
oct | 1510045114 |
9 | 510340016 |
10 | 220219980 |
11 | 103343592 |
12 | 61902150 |
13 | 368168a6 |
14 | 21367148 |
15 | 14500570 |
hex | d204a4c |
220219980 has 24 divisors (see below), whose sum is σ = 616616112. Its totient is φ = 58725312.
The previous prime is 220219949. The next prime is 220219991. The reversal of 220219980 is 89912022.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835107 + ... + 1835226.
It is an arithmetic number, because the mean of its divisors is an integer number (25692338).
Almost surely, 2220219980 is an apocalyptic number.
220219980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220219980 is an abundant number, since it is smaller than the sum of its proper divisors (396396132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220219980 is a wasteful number, since it uses less digits than its factorization.
220219980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3670345 (or 3670343 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 220219980 is about 14839.8106456922. The cubic root of 220219980 is about 603.8822153847.
The spelling of 220219980 in words is "two hundred twenty million, two hundred nineteen thousand, nine hundred eighty".
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