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142280029 is a prime number
BaseRepresentation
bin10000111101100…
…00010101011101
3100220201120111201
420132300111131
5242410430104
622041315501
73345234403
oct1036602535
9326646451
10142280029
117334a101
123b795b91
1323628088
1414c79473
15c7570a4
hex87b055d

142280029 has 2 divisors, whose sum is σ = 142280030. Its totient is φ = 142280028.

The previous prime is 142280023. The next prime is 142280053. The reversal of 142280029 is 920082241.

142280029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89019225 + 53260804 = 9435^2 + 7298^2 .

It is a cyclic number.

It is not a de Polignac number, because 142280029 - 29 = 142279517 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142279979 and 142280006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142280023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71140014 + 71140015.

It is an arithmetic number, because the mean of its divisors is an integer number (71140015).

Almost surely, 2142280029 is an apocalyptic number.

It is an amenable number.

142280029 is a deficient number, since it is larger than the sum of its proper divisors (1).

142280029 is an equidigital number, since it uses as much as digits as its factorization.

142280029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 142280029 is about 11928.1192566138. The cubic root of 142280029 is about 522.0530631651.

The spelling of 142280029 in words is "one hundred forty-two million, two hundred eighty thousand, twenty-nine".