Base | Representation |
---|---|
bin | 10001001111111… |
… | …01011110101000 |
3 | 101002021011200221 |
4 | 20213331132220 |
5 | 244020140120 |
6 | 22205135424 |
7 | 3404604643 |
oct | 1047753650 |
9 | 332234627 |
10 | 144693160 |
11 | 74748127 |
12 | 4055a574 |
13 | 23c91571 |
14 | 15306a5a |
15 | ca820aa |
hex | 89fd7a8 |
144693160 has 16 divisors (see below), whose sum is σ = 325559700. Its totient is φ = 57877248.
The previous prime is 144693149. The next prime is 144693163. The reversal of 144693160 is 61396441.
It can be written as a sum of positive squares in 2 ways, for example, as 132204004 + 12489156 = 11498^2 + 3534^2 .
It is a super-2 number, since 2×1446931602 = 41872221101571200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (144693163) 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, 1808625 + ... + 1808704.
Almost surely, 2144693160 is an apocalyptic number.
144693160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144693160 is an abundant number, since it is smaller than the sum of its proper divisors (180866540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144693160 is a wasteful number, since it uses less digits than its factorization.
144693160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3617340 (or 3617336 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 144693160 is about 12028.8469937896. The cubic root of 144693160 is about 524.9879483250.
The spelling of 144693160 in words is "one hundred forty-four million, six hundred ninety-three thousand, one hundred sixty".
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