Base | Representation |
---|---|
bin | 10001001010110… |
… | …11111100100101 |
3 | 101001000120002221 |
4 | 20211123330211 |
5 | 243333002100 |
6 | 22143032341 |
7 | 3366150661 |
oct | 1045337445 |
9 | 331016087 |
10 | 144031525 |
11 | 74336020 |
12 | 4029b6b1 |
13 | 23abc371 |
14 | 151b38a1 |
15 | c9a101a |
hex | 895bf25 |
144031525 has 24 divisors (see below), whose sum is σ = 196308864. Its totient is φ = 103958400.
The previous prime is 144031519. The next prime is 144031541. The reversal of 144031525 is 525130441.
It is a happy number.
It is not a de Polignac number, because 144031525 - 27 = 144031397 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144031525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35764 + ... + 39586.
It is an arithmetic number, because the mean of its divisors is an integer number (8179536).
Almost surely, 2144031525 is an apocalyptic number.
It is an amenable number.
144031525 is a deficient number, since it is larger than the sum of its proper divisors (52277339).
144031525 is a wasteful number, since it uses less digits than its factorization.
144031525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3981 (or 3976 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 144031525 is about 12001.3134697832. The cubic root of 144031525 is about 524.1865255289.
Adding to 144031525 its reverse (525130441), we get a palindrome (669161966).
The spelling of 144031525 in words is "one hundred forty-four million, thirty-one thousand, five hundred twenty-five".
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