Base | Representation |
---|---|
bin | 10001001011110… |
… | …00001010000011 |
3 | 101001020102121120 |
4 | 20211320022003 |
5 | 243400201300 |
6 | 22145323323 |
7 | 3400141602 |
oct | 1045701203 |
9 | 331212546 |
10 | 144147075 |
11 | 74404916 |
12 | 40336543 |
13 | 23b2cb37 |
14 | 15203a39 |
15 | c9c53a0 |
hex | 8978283 |
144147075 has 24 divisors (see below), whose sum is σ = 238715376. Its totient is φ = 76752000.
The previous prime is 144147037. The next prime is 144147077. The reversal of 144147075 is 570741441.
It is not a de Polignac number, because 144147075 - 212 = 144142979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144147077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60405 + ... + 62745.
It is an arithmetic number, because the mean of its divisors is an integer number (9946474).
Almost surely, 2144147075 is an apocalyptic number.
144147075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144147075 is a deficient number, since it is larger than the sum of its proper divisors (94568301).
144147075 is a wasteful number, since it uses less digits than its factorization.
144147075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3175 (or 3170 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 33.
The square root of 144147075 is about 12006.1265610521. The cubic root of 144147075 is about 524.3266651332.
It can be divided in two parts, 1441 and 47075, that added together give a triangular number (48516 = T311).
The spelling of 144147075 in words is "one hundred forty-four million, one hundred forty-seven thousand, seventy-five".
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