Base | Representation |
---|---|
bin | 10001001111011… |
… | …01111001111011 |
3 | 101002010221012101 |
4 | 20213231321323 |
5 | 244011114441 |
6 | 22203524231 |
7 | 3404220655 |
oct | 1047557173 |
9 | 332127171 |
10 | 144629371 |
11 | 74704207 |
12 | 40529677 |
13 | 23c6b513 |
14 | 152cb6d5 |
15 | ca6d231 |
hex | 89ede7b |
144629371 has 4 divisors (see below), whose sum is σ = 145733544. Its totient is φ = 143525200.
The previous prime is 144629363. The next prime is 144629413. The reversal of 144629371 is 173926441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173926441 = 13 ⋅13378957.
It is a cyclic number.
It is not a de Polignac number, because 144629371 - 23 = 144629363 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 144629371.
It is not an unprimeable number, because it can be changed into a prime (144629341) 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, 551890 + ... + 552151.
It is an arithmetic number, because the mean of its divisors is an integer number (36433386).
Almost surely, 2144629371 is an apocalyptic number.
144629371 is a deficient number, since it is larger than the sum of its proper divisors (1104173).
144629371 is a wasteful number, since it uses less digits than its factorization.
144629371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1104172.
The product of its digits is 36288, while the sum is 37.
The square root of 144629371 is about 12026.1952004780. The cubic root of 144629371 is about 524.9107887720.
The spelling of 144629371 in words is "one hundred forty-four million, six hundred twenty-nine thousand, three hundred seventy-one".
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