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142309359 = 3328118757
BaseRepresentation
bin10000111101101…
…11011111101111
3100220210001202000
420132313133233
5242412344414
622042103343
73345416043
oct1036673757
9326701660
10142309359
117336a145
123b7aab53
132363852a
1414c86023
15c760b09
hex87b77ef

142309359 has 16 divisors (see below), whose sum is σ = 211590240. Its totient is φ = 94530240.

The previous prime is 142309301. The next prime is 142309369. The reversal of 142309359 is 953903241.

It is a happy number.

It is not a de Polignac number, because 142309359 - 28 = 142309103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142309369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792 + ... + 16965.

It is an arithmetic number, because the mean of its divisors is an integer number (13224390).

Almost surely, 2142309359 is an apocalyptic number.

142309359 is a deficient number, since it is larger than the sum of its proper divisors (69280881).

142309359 is a wasteful number, since it uses less digits than its factorization.

142309359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19047 (or 19041 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 142309359 is about 11929.3486410617. The cubic root of 142309359 is about 522.0889331895.

The spelling of 142309359 in words is "one hundred forty-two million, three hundred nine thousand, three hundred fifty-nine".

Divisors: 1 3 9 27 281 843 2529 7587 18757 56271 168813 506439 5270717 15812151 47436453 142309359