Base | Representation |
---|---|
bin | 10001001101001… |
… | …00111011011101 |
3 | 101001120202011122 |
4 | 20212210323131 |
5 | 243422033321 |
6 | 22153300325 |
7 | 3401534342 |
oct | 1046447335 |
9 | 331522148 |
10 | 144330461 |
11 | 7451a680 |
12 | 404046a5 |
13 | 23b95452 |
14 | 152507c9 |
15 | ca0e8ab |
hex | 89a4edd |
144330461 has 8 divisors (see below), whose sum is σ = 160120800. Its totient is φ = 128985040.
The previous prime is 144330437. The next prime is 144330463. The reversal of 144330461 is 164033441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144330461 is a prime.
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 144330461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144330463) 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, 110546 + ... + 111843.
It is an arithmetic number, because the mean of its divisors is an integer number (20015100).
Almost surely, 2144330461 is an apocalyptic number.
144330461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
144330461 is a deficient number, since it is larger than the sum of its proper divisors (15790339).
144330461 is a wasteful number, since it uses less digits than its factorization.
144330461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222459.
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 144330461 is about 12013.7613177556. The cubic root of 144330461 is about 524.5489229033.
The spelling of 144330461 in words is "one hundred forty-four million, three hundred thirty thousand, four hundred sixty-one".
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