Base | Representation |
---|---|
bin | 11101110011100… |
… | …11000001011100 |
3 | 122102110221201121 |
4 | 32321303001130 |
5 | 1003002012340 |
6 | 40451020324 |
7 | 6124144624 |
oct | 1671630134 |
9 | 572427647 |
10 | 250032220 |
11 | 1191559a9 |
12 | 6b89a6a4 |
13 | 3ca54279 |
14 | 252c7884 |
15 | 16e3d94a |
hex | ee7305c |
250032220 has 24 divisors (see below), whose sum is σ = 528295824. Its totient is φ = 99398016.
The previous prime is 250032197. The next prime is 250032247. The reversal of 250032220 is 22230052.
It is a super-2 number, since 2×2500322202 = 125032222076256800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 250032194 and 250032203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35089 + ... + 41608.
It is an arithmetic number, because the mean of its divisors is an integer number (22012326).
Almost surely, 2250032220 is an apocalyptic number.
250032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250032220 is an abundant number, since it is smaller than the sum of its proper divisors (278263604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250032220 is a wasteful number, since it uses less digits than its factorization.
250032220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76869 (or 76867 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 250032220 is about 15812.4071538776. The cubic root of 250032220 is about 629.9875868890.
Adding to 250032220 its reverse (22230052), we get a palindrome (272262272).
The spelling of 250032220 in words is "two hundred fifty million, thirty-two thousand, two hundred twenty".
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