| Base | Representation |
|---|---|
| bin | 100111011111011… |
| … | …1100101010010000 |
| 3 | 10102100110021201120 |
| 4 | 1032332330222100 |
| 5 | 10203212433430 |
| 6 | 335254002240 |
| 7 | 44560240656 |
| oct | 11676745220 |
| 9 | 3370407646 |
| 10 | 1325124240 |
| 11 | 61aaa8500 |
| 12 | 30b946380 |
| 13 | 1816c38ab |
| 14 | c7dc0dd6 |
| 15 | 7b504610 |
| hex | 4efbca90 |
1325124240 has 120 divisors (see below), whose sum is σ = 4515377664. Its totient is φ = 321235200.
The previous prime is 1325124217. The next prime is 1325124257. The reversal of 1325124240 is 424215231.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 1325124240.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6225 + ... + 51855.
Almost surely, 21325124240 is an apocalyptic number.
1325124240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1325124240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257688832).
1325124240 is an abundant number, since it is smaller than the sum of its proper divisors (3190253424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1325124240 is a wasteful number, since it uses less digits than its factorization.
1325124240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45669 (or 45652 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1325124240 is about 36402.2559740464. The cubic root of 1325124240 is about 1098.3789455819.
Adding to 1325124240 its reverse (424215231), we get a palindrome (1749339471).
Subtracting from 1325124240 its reverse (424215231), we obtain a palindrome (900909009).
The spelling of 1325124240 in words is "one billion, three hundred twenty-five million, one hundred twenty-four thousand, two hundred forty".
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