Base | Representation |
---|---|
bin | 101100011001110… |
… | …1100111000000000 |
3 | 10211211121012122012 |
4 | 1120303230320000 |
5 | 11022411320120 |
6 | 403502432052 |
7 | 51631231121 |
oct | 13063547000 |
9 | 3754535565 |
10 | 1489948160 |
11 | 6a5045118 |
12 | 356b92628 |
13 | 1a98b2c3c |
14 | 101c48048 |
15 | 8ac111c5 |
hex | 58cece00 |
1489948160 has 40 divisors (see below), whose sum is σ = 3572389656. Its totient is φ = 595978240.
The previous prime is 1489948157. The next prime is 1489948169. The reversal of 1489948160 is 618499841.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 1489948099 and 1489948108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1489948169) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 288446 + ... + 293565.
Almost surely, 21489948160 is an apocalyptic number.
1489948160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1489948160 is an abundant number, since it is smaller than the sum of its proper divisors (2082441496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1489948160 is an frugal number, since it uses more digits than its factorization.
1489948160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 582034 (or 582018 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 50.
The square root of 1489948160 is about 38599.8466318197. The cubic root of 1489948160 is about 1142.1515129868.
The spelling of 1489948160 in words is "one billion, four hundred eighty-nine million, nine hundred forty-eight thousand, one hundred sixty".
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