Base | Representation |
---|---|
bin | 11010010000000… |
… | …00011010000110 |
3 | 120100100110012222 |
4 | 31020000122012 |
5 | 422332441010 |
6 | 33503412342 |
7 | 5312456114 |
oct | 1510003206 |
9 | 510313188 |
10 | 220202630 |
11 | 10333154a |
12 | 618b40b2 |
13 | 3680ba1b |
14 | 21360ab4 |
15 | 144ea355 |
hex | d200686 |
220202630 has 16 divisors (see below), whose sum is σ = 399027600. Its totient is φ = 87489312.
The previous prime is 220202627. The next prime is 220202639. The reversal of 220202630 is 36202022.
It is a super-4 number, since 4×2202026304 (a number of 34 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220202599 and 220202608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220202639) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72404 + ... + 75383.
It is an arithmetic number, because the mean of its divisors is an integer number (24939225).
Almost surely, 2220202630 is an apocalyptic number.
220202630 is a deficient number, since it is larger than the sum of its proper divisors (178824970).
220202630 is a wasteful number, since it uses less digits than its factorization.
220202630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147943.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 220202630 is about 14839.2260579856. The cubic root of 220202630 is about 603.8663560432.
Adding to 220202630 its reverse (36202022), we get a palindrome (256404652).
The spelling of 220202630 in words is "two hundred twenty million, two hundred two thousand, six hundred thirty".
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