Base | Representation |
---|---|
bin | 11010010011110… |
… | …10010110101101 |
3 | 120101021211101210 |
4 | 31021322112231 |
5 | 422444432000 |
6 | 33522225033 |
7 | 5316636300 |
oct | 1511722655 |
9 | 511254353 |
10 | 220702125 |
11 | 103642856 |
12 | 61ab5179 |
13 | 36955197 |
14 | 21450b37 |
15 | 14598350 |
hex | d27a5ad |
220702125 has 48 divisors (see below), whose sum is σ = 427242816. Its totient is φ = 100884000.
The previous prime is 220702103. The next prime is 220702127. The reversal of 220702125 is 521207022.
It is a happy number.
It is not a de Polignac number, because 220702125 - 26 = 220702061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220702127) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12370 + ... + 24380.
It is an arithmetic number, because the mean of its divisors is an integer number (8900892).
Almost surely, 2220702125 is an apocalyptic number.
220702125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
220702125 is a deficient number, since it is larger than the sum of its proper divisors (206540691).
220702125 is a wasteful number, since it uses less digits than its factorization.
220702125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12043 (or 12026 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 220702125 is about 14856.0467487148. The cubic root of 220702125 is about 604.3226031630.
Adding to 220702125 its reverse (521207022), we get a palindrome (741909147).
The spelling of 220702125 in words is "two hundred twenty million, seven hundred two thousand, one hundred twenty-five".
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