Base | Representation |
---|---|
bin | 101001010010010… |
… | …0101011001000000 |
3 | 10120112201122121000 |
4 | 1102210211121000 |
5 | 10314120301143 |
6 | 345244132000 |
7 | 46221020535 |
oct | 12244453100 |
9 | 3515648530 |
10 | 1385322048 |
11 | 650a83a60 |
12 | 327b37000 |
13 | 19100c8b6 |
14 | d1db0d8c |
15 | 81945bd3 |
hex | 52925640 |
1385322048 has 224 divisors, whose sum is σ = 4588093440. Its totient is φ = 406080000.
The previous prime is 1385322023. The next prime is 1385322089. The reversal of 1385322048 is 8402235831.
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 (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588073 + ... + 590423.
It is an arithmetic number, because the mean of its divisors is an integer number (20482560).
Almost surely, 21385322048 is an apocalyptic number.
1385322048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1385322048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2294046720).
1385322048 is an abundant number, since it is smaller than the sum of its proper divisors (3202771392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385322048 is a wasteful number, since it uses less digits than its factorization.
1385322048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2414 (or 2398 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 1385322048 is about 37219.9146694347. The cubic root of 1385322048 is about 1114.7656603650.
Adding to 1385322048 its reverse (8402235831), we get a palindrome (9787557879).
The spelling of 1385322048 in words is "one billion, three hundred eighty-five million, three hundred twenty-two thousand, forty-eight".
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