Base | Representation |
---|---|
bin | 101001110111111… |
… | …1000001110111100 |
3 | 10121220212110000022 |
4 | 1103233320032330 |
5 | 10334143410103 |
6 | 351231151312 |
7 | 46550545631 |
oct | 12357701674 |
9 | 3556773008 |
10 | 1405060028 |
11 | 661135439 |
12 | 332675538 |
13 | 195130988 |
14 | d486c188 |
15 | 83544138 |
hex | 53bf83bc |
1405060028 has 12 divisors (see below), whose sum is σ = 2459752512. Its totient is φ = 702273600.
The previous prime is 1405060021. The next prime is 1405060061. The reversal of 1405060028 is 8200605041.
It is a junction number, because it is equal to n+sod(n) for n = 1405059979 and 1405060006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1405060021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51500 + ... + 73907.
It is an arithmetic number, because the mean of its divisors is an integer number (204979376).
Almost surely, 21405060028 is an apocalyptic number.
It is an amenable number.
1405060028 is a deficient number, since it is larger than the sum of its proper divisors (1054692484).
1405060028 is a wasteful number, since it uses less digits than its factorization.
1405060028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128212 (or 128210 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 1405060028 is about 37484.1303487222. The cubic root of 1405060028 is about 1120.0350828721.
Adding to 1405060028 its reverse (8200605041), we get a palindrome (9605665069).
The spelling of 1405060028 in words is "one billion, four hundred five million, sixty thousand, twenty-eight".
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