Base | Representation |
---|---|
bin | 100101010100110… |
… | …0111111010010001 |
3 | 10020021122210121111 |
4 | 1022221213322101 |
5 | 10031110102421 |
6 | 324135453321 |
7 | 43015303615 |
oct | 11251477221 |
9 | 3207583544 |
10 | 1252425361 |
11 | 592a63790 |
12 | 2ab527241 |
13 | 16c61b7c5 |
14 | bc499345 |
15 | 74e43ee1 |
hex | 4aa67e91 |
1252425361 has 8 divisors (see below), whose sum is σ = 1366587648. Its totient is φ = 1138314000.
The previous prime is 1252425341. The next prime is 1252425397. The reversal of 1252425361 is 1635242521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1252425361 - 219 = 1251901073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1252425341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53871 + ... + 73531.
It is an arithmetic number, because the mean of its divisors is an integer number (170823456).
Almost surely, 21252425361 is an apocalyptic number.
1252425361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1252425361 is a deficient number, since it is larger than the sum of its proper divisors (114162287).
1252425361 is a wasteful number, since it uses less digits than its factorization.
1252425361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25463.
The product of its digits is 14400, while the sum is 31.
The square root of 1252425361 is about 35389.6222217757. The cubic root of 1252425361 is about 1077.9135991485.
Adding to 1252425361 its reverse (1635242521), we get a palindrome (2887667882).
The spelling of 1252425361 in words is "one billion, two hundred fifty-two million, four hundred twenty-five thousand, three hundred sixty-one".
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