Base | Representation |
---|---|
bin | 10001010110000… |
… | …11101111101100 |
3 | 101010210102200201 |
4 | 20223003233230 |
5 | 244222132020 |
6 | 22234403244 |
7 | 3414526405 |
oct | 1053035754 |
9 | 333712621 |
10 | 145505260 |
11 | 7515228a |
12 | 40890524 |
13 | 241b70b4 |
14 | 154789ac |
15 | cb92a0a |
hex | 8ac3bec |
145505260 has 12 divisors (see below), whose sum is σ = 305561088. Its totient is φ = 58202096.
The previous prime is 145505257. The next prime is 145505273. The reversal of 145505260 is 62505541.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637612 + ... + 3637651.
It is an arithmetic number, because the mean of its divisors is an integer number (25463424).
Almost surely, 2145505260 is an apocalyptic number.
145505260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145505260 is an abundant number, since it is smaller than the sum of its proper divisors (160055828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145505260 is a wasteful number, since it uses less digits than its factorization.
145505260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7275272 (or 7275270 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 145505260 is about 12062.5561138591. The cubic root of 145505260 is about 525.9682931342.
The spelling of 145505260 in words is "one hundred forty-five million, five hundred five thousand, two hundred sixty".
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