Base | Representation |
---|---|
bin | 101001110001000… |
… | …0101001011010110 |
3 | 10121200001200102102 |
4 | 1103202011023112 |
5 | 10332232134110 |
6 | 351021442102 |
7 | 46505032511 |
oct | 12342051326 |
9 | 3550050372 |
10 | 1401443030 |
11 | 65a094989 |
12 | 331410332 |
13 | 194465540 |
14 | d41a9d78 |
15 | 8307c5a5 |
hex | 538852d6 |
1401443030 has 32 divisors (see below), whose sum is σ = 2733351264. Its totient is φ = 514273536.
The previous prime is 1401443023. The next prime is 1401443033. The reversal of 1401443030 is 303441041.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1401442993 and 1401443011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1401443033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11879 + ... + 54258.
It is an arithmetic number, because the mean of its divisors is an integer number (85417227).
Almost surely, 21401443030 is an apocalyptic number.
1401443030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1401443030 is a deficient number, since it is larger than the sum of its proper divisors (1331908234).
1401443030 is a wasteful number, since it uses less digits than its factorization.
1401443030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66320.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1401443030 is about 37435.8522007981. The cubic root of 1401443030 is about 1119.0731676485.
Adding to 1401443030 its reverse (303441041), we get a palindrome (1704884071).
The spelling of 1401443030 in words is "one billion, four hundred one million, four hundred forty-three thousand, thirty".
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