Base | Representation |
---|---|
bin | 100101010110010… |
… | …1100110110101001 |
3 | 10020100011210011112 |
4 | 1022230230312221 |
5 | 10031311411131 |
6 | 324205040105 |
7 | 43025203505 |
oct | 11254546651 |
9 | 3210153145 |
10 | 1253232041 |
11 | 593464866 |
12 | 2ab856035 |
13 | 16c841a29 |
14 | bc629305 |
15 | 7505302b |
hex | 4ab2cda9 |
1253232041 has 4 divisors (see below), whose sum is σ = 1258704900. Its totient is φ = 1247759184.
The previous prime is 1253231999. The next prime is 1253232049. The reversal of 1253232041 is 1402323521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1402323521 = 3049 ⋅459929.
It can be written as a sum of positive squares in 2 ways, for example, as 812022016 + 441210025 = 28496^2 + 21005^2 .
It is a cyclic number.
It is not a de Polignac number, because 1253232041 - 218 = 1252969897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1253231998 and 1253232016.
It is not an unprimeable number, because it can be changed into a prime (1253232049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736086 + ... + 2736543.
It is an arithmetic number, because the mean of its divisors is an integer number (314676225).
Almost surely, 21253232041 is an apocalyptic number.
It is an amenable number.
1253232041 is a deficient number, since it is larger than the sum of its proper divisors (5472859).
1253232041 is an equidigital number, since it uses as much as digits as its factorization.
1253232041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5472858.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 1253232041 is about 35401.0175136252. The cubic root of 1253232041 is about 1078.1449754708.
Adding to 1253232041 its reverse (1402323521), we get a palindrome (2655555562).
The spelling of 1253232041 in words is "one billion, two hundred fifty-three million, two hundred thirty-two thousand, forty-one".
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