Base | Representation |
---|---|
bin | 10001001010001… |
… | …10000110000111 |
3 | 101000212000100001 |
4 | 20211012012013 |
5 | 243322121043 |
6 | 22141102131 |
7 | 3365326021 |
oct | 1045060607 |
9 | 330760301 |
10 | 143942023 |
11 | 74284855 |
12 | 40257947 |
13 | 23a8a6c4 |
14 | 1518d011 |
15 | c98474d |
hex | 8946187 |
143942023 has 2 divisors, whose sum is σ = 143942024. Its totient is φ = 143942022.
The previous prime is 143942017. The next prime is 143942053. The reversal of 143942023 is 320249341.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 143942023 - 225 = 110387591 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 143941982 and 143942000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (143942053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71971011 + 71971012.
It is an arithmetic number, because the mean of its divisors is an integer number (71971012).
Almost surely, 2143942023 is an apocalyptic number.
143942023 is a deficient number, since it is larger than the sum of its proper divisors (1).
143942023 is an equidigital number, since it uses as much as digits as its factorization.
143942023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 143942023 is about 11997.5840484658. The cubic root of 143942023 is about 524.0779255455.
The spelling of 143942023 in words is "one hundred forty-three million, nine hundred forty-two thousand, twenty-three".
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