Base | Representation |
---|---|
bin | 10001001100001… |
… | …10110100111100 |
3 | 101001100111001002 |
4 | 20212012310330 |
5 | 243404112124 |
6 | 22150505432 |
7 | 3400512023 |
oct | 1046066474 |
9 | 331314032 |
10 | 144207164 |
11 | 74445a82 |
12 | 40365278 |
13 | 23b512aa |
14 | 1521b8ba |
15 | c9d80ae |
hex | 8986d3c |
144207164 has 12 divisors (see below), whose sum is σ = 260503488. Its totient is φ = 69777600.
The previous prime is 144207157. The next prime is 144207179. The reversal of 144207164 is 461702441.
It is a happy number.
It is a super-2 number, since 2×1442071642 = 41591412297845792, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 581357 + ... + 581604.
It is an arithmetic number, because the mean of its divisors is an integer number (21708624).
Almost surely, 2144207164 is an apocalyptic number.
It is an amenable number.
144207164 is a deficient number, since it is larger than the sum of its proper divisors (116296324).
144207164 is a wasteful number, since it uses less digits than its factorization.
144207164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1162996 (or 1162994 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 144207164 is about 12008.6287310417. The cubic root of 144207164 is about 524.3995117683.
The spelling of 144207164 in words is "one hundred forty-four million, two hundred seven thousand, one hundred sixty-four".
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