Search a number
-
+
142703417 is a prime number
BaseRepresentation
bin10001000000101…
…11101100111001
3100221112002021202
420200113230321
5243013002132
622054343545
73351646643
oct1040275471
9327462252
10142703417
117360920a
123b95abb5
13237459bc
1414d49893
15c7dc762
hex8817b39

142703417 has 2 divisors, whose sum is σ = 142703418. Its totient is φ = 142703416.

The previous prime is 142703387. The next prime is 142703437. The reversal of 142703417 is 714307241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103815721 + 38887696 = 10189^2 + 6236^2 .

It is a cyclic number.

It is not a de Polignac number, because 142703417 - 28 = 142703161 is a prime.

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 142703417.

It is not a weakly prime, because it can be changed into another prime (142703437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71351708 + 71351709.

It is an arithmetic number, because the mean of its divisors is an integer number (71351709).

Almost surely, 2142703417 is an apocalyptic number.

It is an amenable number.

142703417 is a deficient number, since it is larger than the sum of its proper divisors (1).

142703417 is an equidigital number, since it uses as much as digits as its factorization.

142703417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 142703417 is about 11945.8535484075. The cubic root of 142703417 is about 522.5703813069.

The spelling of 142703417 in words is "one hundred forty-two million, seven hundred three thousand, four hundred seventeen".