Base | Representation |
---|---|
bin | 11010010011001… |
… | …10010101011101 |
3 | 120101010122220202 |
4 | 31021212111131 |
5 | 422434321000 |
6 | 33520353245 |
7 | 5316145235 |
oct | 1511462535 |
9 | 511118822 |
10 | 220620125 |
11 | 103597190 |
12 | 61a75825 |
13 | 36926a6b |
14 | 2142ccc5 |
15 | 1457ddd5 |
hex | d26655d |
220620125 has 32 divisors (see below), whose sum is σ = 301961088. Its totient is φ = 159600000.
The previous prime is 220620121. The next prime is 220620151. The reversal of 220620125 is 521026022.
It is not a de Polignac number, because 220620125 - 22 = 220620121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220620097 and 220620106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220620121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386090 + ... + 386660.
It is an arithmetic number, because the mean of its divisors is an integer number (9436284).
Almost surely, 2220620125 is an apocalyptic number.
220620125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
220620125 is a deficient number, since it is larger than the sum of its proper divisors (81340963).
220620125 is a wasteful number, since it uses less digits than its factorization.
220620125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 878 (or 868 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 220620125 is about 14853.2866733259. The cubic root of 220620125 is about 604.2477502484.
Adding to 220620125 its reverse (521026022), we get a palindrome (741646147).
The spelling of 220620125 in words is "two hundred twenty million, six hundred twenty thousand, one hundred twenty-five".
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