Base | Representation |
---|---|
bin | 10001001011101… |
… | …10110100110101 |
3 | 101001020011010120 |
4 | 20211312310311 |
5 | 243400012441 |
6 | 22145242153 |
7 | 3400116651 |
oct | 1045666465 |
9 | 331204116 |
10 | 144141621 |
11 | 74400808 |
12 | 40333359 |
13 | 23b2a500 |
14 | 15201a61 |
15 | c9c3966 |
hex | 8976d35 |
144141621 has 48 divisors (see below), whose sum is σ = 222621696. Its totient is φ = 82724928.
The previous prime is 144141607. The next prime is 144141631. The reversal of 144141621 is 126141441.
It is not a de Polignac number, because 144141621 - 210 = 144140597 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 144141591 and 144141600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144141601) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547936 + ... + 548198.
It is an arithmetic number, because the mean of its divisors is an integer number (4637952).
Almost surely, 2144141621 is an apocalyptic number.
It is an amenable number.
144141621 is a deficient number, since it is larger than the sum of its proper divisors (78480075).
144141621 is a wasteful number, since it uses less digits than its factorization.
144141621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362 (or 349 counting only the distinct ones).
The product of its digits is 768, while the sum is 24.
The square root of 144141621 is about 12005.8994248661. The cubic root of 144141621 is about 524.3200521797.
The spelling of 144141621 in words is "one hundred forty-four million, one hundred forty-one thousand, six hundred twenty-one".
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