Base | Representation |
---|---|
bin | 10001010001111… |
… | …00110010011001 |
3 | 101002202100102010 |
4 | 20220330302121 |
5 | 244101434343 |
6 | 22214500133 |
7 | 3410034651 |
oct | 1050746231 |
9 | 332670363 |
10 | 144952473 |
11 | 74904a36 |
12 | 40664649 |
13 | 240525c3 |
14 | 15373361 |
15 | cad3d33 |
hex | 8a3cc99 |
144952473 has 8 divisors (see below), whose sum is σ = 195183936. Its totient is φ = 95678000.
The previous prime is 144952471. The next prime is 144952481. The reversal of 144952473 is 374259441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144952473 - 21 = 144952471 is a prime.
It is a super-2 number, since 2×1449524732 = 42022438857631458, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (144952471) 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 7 ways as a sum of consecutive naturals, for example, 238893 + ... + 239498.
It is an arithmetic number, because the mean of its divisors is an integer number (24397992).
Almost surely, 2144952473 is an apocalyptic number.
It is an amenable number.
144952473 is a deficient number, since it is larger than the sum of its proper divisors (50231463).
144952473 is a wasteful number, since it uses less digits than its factorization.
144952473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478495.
The product of its digits is 120960, while the sum is 39.
The square root of 144952473 is about 12039.6209657946. The cubic root of 144952473 is about 525.3013816042.
The spelling of 144952473 in words is "one hundred forty-four million, nine hundred fifty-two thousand, four hundred seventy-three".
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