Base | Representation |
---|---|
bin | 101001110111111… |
… | …0110100001111110 |
3 | 10121220212002110000 |
4 | 1103233312201332 |
5 | 10334143144204 |
6 | 351231055130 |
7 | 46550516406 |
oct | 12357664176 |
9 | 3556762400 |
10 | 1405053054 |
11 | 661130179 |
12 | 3326714a6 |
13 | 19512a752 |
14 | d4869806 |
15 | 83542039 |
hex | 53bf687e |
1405053054 has 20 divisors (see below), whose sum is σ = 3148359984. Its totient is φ = 468350964.
The previous prime is 1405053031. The next prime is 1405053061. The reversal of 1405053054 is 4503505041.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4336422 + ... + 4336745.
Almost surely, 21405053054 is an apocalyptic number.
1405053054 is an abundant number, since it is smaller than the sum of its proper divisors (1743306930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1405053054 is an equidigital number, since it uses as much as digits as its factorization.
1405053054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8673181 (or 8673172 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 1405053054 is about 37484.0373225724. The cubic root of 1405053054 is about 1120.0332297751.
Adding to 1405053054 its reverse (4503505041), we get a palindrome (5908558095).
The spelling of 1405053054 in words is "one billion, four hundred five million, fifty-three thousand, fifty-four".
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