Base | Representation |
---|---|
bin | 101001010010011… |
… | …1001001010101000 |
3 | 10120112212202201000 |
4 | 1102210321022220 |
5 | 10314130344143 |
6 | 345245555000 |
7 | 46221505641 |
oct | 12244711250 |
9 | 3515782630 |
10 | 1385403048 |
11 | 6510298a7 |
12 | 327b75a60 |
13 | 19103a723 |
14 | d1dd26c8 |
15 | 8195ebd3 |
hex | 529392a8 |
1385403048 has 32 divisors (see below), whose sum is σ = 3848342400. Its totient is φ = 461800944.
The previous prime is 1385403037. The next prime is 1385403053. The reversal of 1385403048 is 8403045831.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 3206736 + ... + 3207167.
It is an arithmetic number, because the mean of its divisors is an integer number (120260700).
Almost surely, 21385403048 is an apocalyptic number.
1385403048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1385403048 is an abundant number, since it is smaller than the sum of its proper divisors (2462939352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385403048 is a wasteful number, since it uses less digits than its factorization.
1385403048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6413918 (or 6413908 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 1385403048 is about 37221.0027806882. The cubic root of 1385403048 is about 1114.7873867833.
Adding to 1385403048 its reverse (8403045831), we get a palindrome (9788448879).
The spelling of 1385403048 in words is "one billion, three hundred eighty-five million, four hundred three thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •