Base | Representation |
---|---|
bin | 100101010000100… |
… | …1000101111010010 |
3 | 10020010110202201100 |
4 | 1022201020233102 |
5 | 10030022404110 |
6 | 324020045230 |
7 | 42660346335 |
oct | 11241105722 |
9 | 3203422640 |
10 | 1250200530 |
11 | 591784187 |
12 | 2aa833816 |
13 | 16c01cc37 |
14 | bc07a61c |
15 | 74b54bc0 |
hex | 4a848bd2 |
1250200530 has 48 divisors (see below), whose sum is σ = 3252622464. Its totient is φ = 333171360.
The previous prime is 1250200529. The next prime is 1250200537. The reversal of 1250200530 is 350020521.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1250200537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175335 + ... + 182325.
It is an arithmetic number, because the mean of its divisors is an integer number (67762968).
Almost surely, 21250200530 is an apocalyptic number.
1250200530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1250200530 is an abundant number, since it is smaller than the sum of its proper divisors (2002421934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1250200530 is a wasteful number, since it uses less digits than its factorization.
1250200530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8991 (or 8988 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 1250200530 is about 35358.1748680556. The cubic root of 1250200530 is about 1077.2749457743.
Subtracting from 1250200530 its reverse (350020521), we obtain a square (900180009 = 300032).
The spelling of 1250200530 in words is "one billion, two hundred fifty million, two hundred thousand, five hundred thirty".
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