Base | Representation |
---|---|
bin | 101100011001000… |
… | …0111010011101100 |
3 | 10211210211001222001 |
4 | 1120302013103230 |
5 | 11022310012030 |
6 | 403445502044 |
7 | 51624546205 |
oct | 13062072354 |
9 | 3753731861 |
10 | 1489532140 |
11 | 6a48905a8 |
12 | 356a11924 |
13 | 1a9798785 |
14 | 101b7a5ac |
15 | 8ab7ccca |
hex | 58c874ec |
1489532140 has 48 divisors (see below), whose sum is σ = 3208766400. Its totient is φ = 580586240.
The previous prime is 1489532137. The next prime is 1489532147. The reversal of 1489532140 is 412359841.
It is a self number, because there is not a number n which added to its sum of digits gives 1489532140.
It is not an unprimeable number, because it can be changed into a prime (1489532147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153225 + ... + 162655.
It is an arithmetic number, because the mean of its divisors is an integer number (66849300).
Almost surely, 21489532140 is an apocalyptic number.
1489532140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1489532140 is an abundant number, since it is smaller than the sum of its proper divisors (1719234260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1489532140 is a wasteful number, since it uses less digits than its factorization.
1489532140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9642 (or 9640 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 1489532140 is about 38594.4573740842. The cubic root of 1489532140 is about 1142.0452000925.
The spelling of 1489532140 in words is "one billion, four hundred eighty-nine million, five hundred thirty-two thousand, one hundred forty".
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