Base | Representation |
---|---|
bin | 10001001111110… |
… | …01100001110011 |
3 | 101002020100111122 |
4 | 20213321201303 |
5 | 244014130404 |
6 | 22204532455 |
7 | 3404506526 |
oct | 1047714163 |
9 | 332210448 |
10 | 144676979 |
11 | 74736a57 |
12 | 4055112b |
13 | 23c870a5 |
14 | 15300bbd |
15 | ca7c3be |
hex | 89f9873 |
144676979 has 2 divisors, whose sum is σ = 144676980. Its totient is φ = 144676978.
The previous prime is 144676949. The next prime is 144676981. The reversal of 144676979 is 979676441.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144676979 - 216 = 144611443 is a prime.
It is a Sophie Germain prime.
Together with 144676981, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 144676979.
It is not a weakly prime, because it can be changed into another prime (144676949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72338489 + 72338490.
It is an arithmetic number, because the mean of its divisors is an integer number (72338490).
Almost surely, 2144676979 is an apocalyptic number.
144676979 is a deficient number, since it is larger than the sum of its proper divisors (1).
144676979 is an equidigital number, since it uses as much as digits as its factorization.
144676979 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2286144, while the sum is 53.
The square root of 144676979 is about 12028.1743835048. The cubic root of 144676979 is about 524.9683778384.
The spelling of 144676979 in words is "one hundred forty-four million, six hundred seventy-six thousand, nine hundred seventy-nine".
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