Base | Representation |
---|---|
bin | 101001110000100… |
… | …1101010100100001 |
3 | 10121122122001120202 |
4 | 1103201031110201 |
5 | 10332202323431 |
6 | 351012514545 |
7 | 46503060500 |
oct | 12341152441 |
9 | 3548561522 |
10 | 1401214241 |
11 | 659a48aa9 |
12 | 33131ba55 |
13 | 1943b536b |
14 | d414a837 |
15 | 830348cb |
hex | 5384d521 |
1401214241 has 12 divisors (see below), whose sum is σ = 1642825728. Its totient is φ = 1191578472.
The previous prime is 1401214201. The next prime is 1401214249. The reversal of 1401214241 is 1424121041.
It is a de Polignac number, because none of the positive numbers 2k-1401214241 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1401214249) 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 11 ways as a sum of consecutive naturals, for example, 106361 + ... + 118806.
It is an arithmetic number, because the mean of its divisors is an integer number (136902144).
Almost surely, 21401214241 is an apocalyptic number.
It is an amenable number.
1401214241 is a deficient number, since it is larger than the sum of its proper divisors (241611487).
1401214241 is a wasteful number, since it uses less digits than its factorization.
1401214241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225308 (or 225301 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 1401214241 is about 37432.7963288879. The cubic root of 1401214241 is about 1119.0122671911.
Adding to 1401214241 its reverse (1424121041), we get a palindrome (2825335282).
The spelling of 1401214241 in words is "one billion, four hundred one million, two hundred fourteen thousand, two hundred forty-one".
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