Base | Representation |
---|---|
bin | 10001001000111… |
… | …10101100101010 |
3 | 101000112210222021 |
4 | 20210132230222 |
5 | 243301440100 |
6 | 22133415054 |
7 | 3364054366 |
oct | 1044365452 |
9 | 330483867 |
10 | 143780650 |
11 | 74184592 |
12 | 4019a48a |
13 | 23a32110 |
14 | 1514a2a6 |
15 | c951a1a |
hex | 891eb2a |
143780650 has 24 divisors (see below), whose sum is σ = 288005004. Its totient is φ = 53088000.
The previous prime is 143780641. The next prime is 143780729. The reversal of 143780650 is 56087341.
143780650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 37834801 + 105945849 = 6151^2 + 10293^2 .
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 109951 + ... + 111250.
Almost surely, 2143780650 is an apocalyptic number.
143780650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143780650 is an abundant number, since it is smaller than the sum of its proper divisors (144224354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143780650 is a wasteful number, since it uses less digits than its factorization.
143780650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221226 (or 221221 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 143780650 is about 11990.8569335140. The cubic root of 143780650 is about 523.8820048789.
The spelling of 143780650 in words is "one hundred forty-three million, seven hundred eighty thousand, six hundred fifty".
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