Base | Representation |
---|---|
bin | 10001001111010… |
… | …11101100111001 |
3 | 101002010110211002 |
4 | 20213223230321 |
5 | 244010322340 |
6 | 22203414345 |
7 | 3404152442 |
oct | 1047535471 |
9 | 332113732 |
10 | 144620345 |
11 | 746a8451 |
12 | 405243b5 |
13 | 23c6738c |
14 | 152c82c9 |
15 | ca6a715 |
hex | 89ebb39 |
144620345 has 8 divisors (see below), whose sum is σ = 173818176. Its totient is φ = 115513776.
The previous prime is 144620327. The next prime is 144620347. The reversal of 144620345 is 543026441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144620345 - 28 = 144620089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144620347) 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, 19277 + ... + 25706.
It is an arithmetic number, because the mean of its divisors is an integer number (21727272).
Almost surely, 2144620345 is an apocalyptic number.
It is an amenable number.
144620345 is a deficient number, since it is larger than the sum of its proper divisors (29197831).
144620345 is an equidigital number, since it uses as much as digits as its factorization.
144620345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45631.
The product of its (nonzero) digits is 11520, while the sum is 29.
The square root of 144620345 is about 12025.8199304663. The cubic root of 144620345 is about 524.8998690367.
Adding to 144620345 its reverse (543026441), we get a palindrome (687646786).
The spelling of 144620345 in words is "one hundred forty-four million, six hundred twenty thousand, three hundred forty-five".
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