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142159312 = 2440122157
BaseRepresentation
bin10000111100100…
…10110111010000
3100220111102220201
420132102313100
5242343044222
622034544544
73344222431
oct1036226720
9326442821
10142159312
1173277439
123b738154
13235b5149
1414c47488
15c731427
hex8792dd0

142159312 has 20 divisors (see below), whose sum is σ = 276132996. Its totient is φ = 70899200.

The previous prime is 142159289. The next prime is 142159319. The reversal of 142159312 is 213951241.

142159312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133726096 + 8433216 = 11564^2 + 2904^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142159319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4663 + ... + 17494.

Almost surely, 2142159312 is an apocalyptic number.

It is an amenable number.

142159312 is a deficient number, since it is larger than the sum of its proper divisors (133973684).

142159312 is a wasteful number, since it uses less digits than its factorization.

142159312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566 (or 22560 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 142159312 is about 11923.0579970073. The cubic root of 142159312 is about 521.9053766821.

The spelling of 142159312 in words is "one hundred forty-two million, one hundred fifty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 401 802 1604 3208 6416 22157 44314 88628 177256 354512 8884957 17769914 35539828 71079656 142159312