Base | Representation |
---|---|
bin | 10001010000111… |
… | …10111100010101 |
3 | 101002112010201120 |
4 | 20220132330111 |
5 | 244034031404 |
6 | 22212114153 |
7 | 3406015365 |
oct | 1050367425 |
9 | 332463646 |
10 | 144830229 |
11 | 74831105 |
12 | 40605959 |
13 | 2400ba7b |
14 | 153409a5 |
15 | caac9d9 |
hex | 8a1ef15 |
144830229 has 4 divisors (see below), whose sum is σ = 193106976. Its totient is φ = 96553484.
The previous prime is 144830219. The next prime is 144830239. The reversal of 144830229 is 922038441.
144830229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (144830219) and next prime (144830239).
It is a cyclic number.
It is not a de Polignac number, because 144830229 - 25 = 144830197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 144830229.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144830219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24138369 + ... + 24138374.
It is an arithmetic number, because the mean of its divisors is an integer number (48276744).
Almost surely, 2144830229 is an apocalyptic number.
It is an amenable number.
144830229 is a deficient number, since it is larger than the sum of its proper divisors (48276747).
144830229 is an equidigital number, since it uses as much as digits as its factorization.
144830229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48276746.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 144830229 is about 12034.5431570957. The cubic root of 144830229 is about 525.1536711148.
The spelling of 144830229 in words is "one hundred forty-four million, eight hundred thirty thousand, two hundred twenty-nine".
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