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142302047 is a prime number
BaseRepresentation
bin10000111101101…
…01101101011111
3100220202200201012
420132311231133
5242412131142
622042005435
73345355526
oct1036655537
9326680635
10142302047
11733646a8
123b7a687b
13236350c4
1414c834bd
15c75d882
hex87b5b5f

142302047 has 2 divisors, whose sum is σ = 142302048. Its totient is φ = 142302046.

The previous prime is 142302023. The next prime is 142302071. The reversal of 142302047 is 740203241.

It is a balanced prime because it is at equal distance from previous prime (142302023) and next prime (142302071).

It is a cyclic number.

It is not a de Polignac number, because 142302047 - 28 = 142301791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142302847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71151023 + 71151024.

It is an arithmetic number, because the mean of its divisors is an integer number (71151024).

Almost surely, 2142302047 is an apocalyptic number.

142302047 is a deficient number, since it is larger than the sum of its proper divisors (1).

142302047 is an equidigital number, since it uses as much as digits as its factorization.

142302047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 142302047 is about 11929.0421660752. The cubic root of 142302047 is about 522.0799912157.

Adding to 142302047 its reverse (740203241), we get a palindrome (882505288).

The spelling of 142302047 in words is "one hundred forty-two million, three hundred two thousand, forty-seven".