Base | Representation |
---|---|
bin | 10001001101010… |
… | …10111111110111 |
3 | 101001122000021022 |
4 | 20212222333313 |
5 | 243423332234 |
6 | 22154011355 |
7 | 3401666663 |
oct | 1046527767 |
9 | 331560238 |
10 | 144355319 |
11 | 74537319 |
12 | 40416b5b |
13 | 23ba3864 |
14 | 152598a3 |
15 | ca16e2e |
hex | 89aaff7 |
144355319 has 8 divisors (see below), whose sum is σ = 147637248. Its totient is φ = 141106680.
The previous prime is 144355307. The next prime is 144355339. The reversal of 144355319 is 913553441.
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 144355319 - 212 = 144351223 is a prime.
It is a super-2 number, since 2×1443553192 = 41676916247183522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144355339) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554 + ... + 17000.
It is an arithmetic number, because the mean of its divisors is an integer number (18454656).
Almost surely, 2144355319 is an apocalyptic number.
144355319 is a deficient number, since it is larger than the sum of its proper divisors (3281929).
144355319 is a wasteful number, since it uses less digits than its factorization.
144355319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16645.
The product of its digits is 32400, while the sum is 35.
The square root of 144355319 is about 12014.7958368006. The cubic root of 144355319 is about 524.5790354855.
The spelling of 144355319 in words is "one hundred forty-four million, three hundred fifty-five thousand, three hundred nineteen".
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