Base | Representation |
---|---|
bin | 10001001010110… |
… | …01000110100011 |
3 | 101000222222010110 |
4 | 20211121012203 |
5 | 243332114000 |
6 | 22142502403 |
7 | 3366102006 |
oct | 1045310643 |
9 | 330888113 |
10 | 144019875 |
11 | 7432829a |
12 | 40294a03 |
13 | 23ab6c7c |
14 | 151ad53d |
15 | c99c850 |
hex | 89591a3 |
144019875 has 32 divisors (see below), whose sum is σ = 242978112. Its totient is φ = 75744000.
The previous prime is 144019871. The next prime is 144019901. The reversal of 144019875 is 578910441.
It is not a de Polignac number, because 144019875 - 22 = 144019871 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144019871) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24745 + ... + 30005.
It is an arithmetic number, because the mean of its divisors is an integer number (7593066).
Almost surely, 2144019875 is an apocalyptic number.
144019875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144019875 is a deficient number, since it is larger than the sum of its proper divisors (98958237).
144019875 is an equidigital number, since it uses as much as digits as its factorization.
144019875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5352 (or 5342 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 39.
The square root of 144019875 is about 12000.8280964273. The cubic root of 144019875 is about 524.1723921932.
The spelling of 144019875 in words is "one hundred forty-four million, nineteen thousand, eight hundred seventy-five".
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