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142241417 is a prime number
BaseRepresentation
bin10000111101001…
…10111010001001
3100220122121112122
420132212322021
5242403211132
622040421025
73345014003
oct1036467211
9326577478
10142241417
117332309a
123b777775
1323613626
1414c69373
15c74a912
hex87a6e89

142241417 has 2 divisors, whose sum is σ = 142241418. Its totient is φ = 142241416.

The previous prime is 142241401. The next prime is 142241443. The reversal of 142241417 is 714142241.

142241417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (142241443) can be obtained adding 142241417 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88717561 + 53523856 = 9419^2 + 7316^2 .

It is a cyclic number.

It is not a de Polignac number, because 142241417 - 24 = 142241401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142241497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71120708 + 71120709.

It is an arithmetic number, because the mean of its divisors is an integer number (71120709).

Almost surely, 2142241417 is an apocalyptic number.

It is an amenable number.

142241417 is a deficient number, since it is larger than the sum of its proper divisors (1).

142241417 is an equidigital number, since it uses as much as digits as its factorization.

142241417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 26.

The square root of 142241417 is about 11926.5006183708. The cubic root of 142241417 is about 522.0058339165.

Adding to 142241417 its reverse (714142241), we get a palindrome (856383658).

The spelling of 142241417 in words is "one hundred forty-two million, two hundred forty-one thousand, four hundred seventeen".