Base | Representation |
---|---|
bin | 10001001100101… |
… | …10011010000011 |
3 | 101001110201120121 |
4 | 20212112122003 |
5 | 243413132404 |
6 | 22152121111 |
7 | 3401166046 |
oct | 1046263203 |
9 | 331421517 |
10 | 144270979 |
11 | 74489a16 |
12 | 40396197 |
13 | 23b74358 |
14 | 15236c5d |
15 | c9ebe54 |
hex | 8996683 |
144270979 has 2 divisors, whose sum is σ = 144270980. Its totient is φ = 144270978.
The previous prime is 144270953. The next prime is 144271013. The reversal of 144270979 is 979072441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144270979 - 217 = 144139907 is a prime.
It is not a weakly prime, because it can be changed into another prime (144270079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72135489 + 72135490.
It is an arithmetic number, because the mean of its divisors is an integer number (72135490).
Almost surely, 2144270979 is an apocalyptic number.
144270979 is a deficient number, since it is larger than the sum of its proper divisors (1).
144270979 is an equidigital number, since it uses as much as digits as its factorization.
144270979 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 127008, while the sum is 43.
The square root of 144270979 is about 12011.2854849096. The cubic root of 144270979 is about 524.4768533253.
The spelling of 144270979 in words is "one hundred forty-four million, two hundred seventy thousand, nine hundred seventy-nine".
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