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142564142 = 2717599009
BaseRepresentation
bin10000111111101…
…01101100101110
3100221021000020102
420133311230232
5242444023032
622051351102
73350526620
oct1037655456
9327230212
10142564142
1173523606
123b8b2492
13236c74a6
1414d10c10
15c7b1362
hex87f5b2e

142564142 has 16 divisors (see below), whose sum is σ = 258772320. Its totient is φ = 57504768.

The previous prime is 142564139. The next prime is 142564151. The reversal of 142564142 is 241465241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299267 + ... + 299742.

It is an arithmetic number, because the mean of its divisors is an integer number (16173270).

Almost surely, 2142564142 is an apocalyptic number.

142564142 is a deficient number, since it is larger than the sum of its proper divisors (116208178).

142564142 is a wasteful number, since it uses less digits than its factorization.

142564142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599035.

The product of its digits is 7680, while the sum is 29.

The square root of 142564142 is about 11940.0226967958. The cubic root of 142564142 is about 522.4003207208.

The spelling of 142564142 in words is "one hundred forty-two million, five hundred sixty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 17 34 119 238 599009 1198018 4193063 8386126 10183153 20366306 71282071 142564142