Base | Representation |
---|---|
bin | 101001110000110… |
… | …1000001011000111 |
3 | 10121122211122110110 |
4 | 1103201220023013 |
5 | 10332214333411 |
6 | 351015124103 |
7 | 46504026246 |
oct | 12341501307 |
9 | 3548748413 |
10 | 1401324231 |
11 | 65a0136aa |
12 | 331373633 |
13 | 194423448 |
14 | d417895d |
15 | 830572a6 |
hex | 538682c7 |
1401324231 has 8 divisors (see below), whose sum is σ = 1894748544. Its totient is φ = 921058040.
The previous prime is 1401324193. The next prime is 1401324241. The reversal of 1401324231 is 1324231041.
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 1401324231 - 27 = 1401324103 is a prime.
It is a super-2 number, since 2×14013242312 = 3927419200775482722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1401324198 and 1401324207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1401324241) 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, 3289281 + ... + 3289706.
It is an arithmetic number, because the mean of its divisors is an integer number (236843568).
Almost surely, 21401324231 is an apocalyptic number.
1401324231 is a deficient number, since it is larger than the sum of its proper divisors (493424313).
1401324231 is an equidigital number, since it uses as much as digits as its factorization.
1401324231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6579061.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1401324231 is about 37434.2654662810. The cubic root of 1401324231 is about 1119.0415458304.
Adding to 1401324231 its reverse (1324231041), we get a palindrome (2725555272).
The spelling of 1401324231 in words is "one billion, four hundred one million, three hundred twenty-four thousand, two hundred thirty-one".
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