Base | Representation |
---|---|
bin | 101001100110001… |
… | …0000000000000000 |
3 | 10121021021221011110 |
4 | 1103030100000000 |
5 | 10324301021232 |
6 | 350255043320 |
7 | 46405266036 |
oct | 12314200000 |
9 | 3537257143 |
10 | 1395720192 |
11 | 656936269 |
12 | 32b510540 |
13 | 193210749 |
14 | d351a556 |
15 | 827ebacc |
hex | 53310000 |
1395720192 has 136 divisors (see below), whose sum is σ = 3858730240. Its totient is φ = 448266240.
The previous prime is 1395720191. The next prime is 1395720229. The reversal of 1395720192 is 2910275931.
It is a nialpdrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 1395720192.
It is not an unprimeable number, because it can be changed into a prime (1395720191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094734 + ... + 6094962.
Almost surely, 21395720192 is an apocalyptic number.
1395720192 is a gapful number since it is divisible by the number (12) 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 1395720192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1929365120).
1395720192 is an abundant number, since it is smaller than the sum of its proper divisors (2463010048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1395720192 is an frugal number, since it uses more digits than its factorization.
1395720192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295 (or 265 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 39.
The square root of 1395720192 is about 37359.3387521781. The cubic root of 1395720192 is about 1117.5478323344.
The spelling of 1395720192 in words is "one billion, three hundred ninety-five million, seven hundred twenty thousand, one hundred ninety-two".
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