Base | Representation |
---|---|
bin | 11010010100010… |
… | …10100100111100 |
3 | 120101102012112210 |
4 | 31022022210330 |
5 | 423004043242 |
6 | 33523500420 |
7 | 5320334103 |
oct | 1512124474 |
9 | 511365483 |
10 | 220768572 |
11 | 103688772 |
12 | 61b27710 |
13 | 369794bb |
14 | 2146b03a |
15 | 145acd9c |
hex | d28a93c |
220768572 has 24 divisors (see below), whose sum is σ = 515468800. Its totient is φ = 73540656.
The previous prime is 220768567. The next prime is 220768573. The reversal of 220768572 is 275867022.
It is a self number, because there is not a number n which added to its sum of digits gives 220768572.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220768573) 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 7 ways as a sum of consecutive naturals, for example, 15879 + ... + 26337.
Almost surely, 2220768572 is an apocalyptic number.
It is an amenable number.
220768572 is an abundant number, since it is smaller than the sum of its proper divisors (294700228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220768572 is a wasteful number, since it uses less digits than its factorization.
220768572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12225 (or 12223 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 220768572 is about 14858.2829425206. The cubic root of 220768572 is about 604.3832450724.
The spelling of 220768572 in words is "two hundred twenty million, seven hundred sixty-eight thousand, five hundred seventy-two".
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