Base | Representation |
---|---|
bin | 11010001110011… |
… | …11101011111111 |
3 | 120022222022110220 |
4 | 31013033223333 |
5 | 422310044241 |
6 | 33455232423 |
7 | 5310665241 |
oct | 1507175377 |
9 | 508868426 |
10 | 220003071 |
11 | 103205622 |
12 | 61818713 |
13 | 3676bc42 |
14 | 2130c091 |
15 | 144ab166 |
hex | d1cfaff |
220003071 has 16 divisors (see below), whose sum is σ = 312691200. Its totient is φ = 137187648.
The previous prime is 220003067. The next prime is 220003087. The reversal of 220003071 is 170300022.
It is not a de Polignac number, because 220003071 - 22 = 220003067 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 220003071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220003031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19926 + ... + 28931.
It is an arithmetic number, because the mean of its divisors is an integer number (19543200).
Almost surely, 2220003071 is an apocalyptic number.
220003071 is a deficient number, since it is larger than the sum of its proper divisors (92688129).
220003071 is a wasteful number, since it uses less digits than its factorization.
220003071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48958.
The product of its (nonzero) digits is 84, while the sum is 15.
The square root of 220003071 is about 14832.5004972189. The cubic root of 220003071 is about 603.6838826130.
Adding to 220003071 its reverse (170300022), we get a palindrome (390303093).
The spelling of 220003071 in words is "two hundred twenty million, three thousand, seventy-one".
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