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142241532 = 223101117361
BaseRepresentation
bin10000111101001…
…10111011111100
3100220122121200220
420132212323330
5242403212112
622040421340
73345014226
oct1036467374
9326577626
10142241532
1173323194
123b777850
13236136b4
1414c69416
15c74a98c
hex87a6efc

142241532 has 24 divisors (see below), whose sum is σ = 335185872. Its totient is φ = 46944000.

The previous prime is 142241531. The next prime is 142241563. The reversal of 142241532 is 235142241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142241531) by changing a digit.

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, 57469 + ... + 59892.

It is an arithmetic number, because the mean of its divisors is an integer number (13966078).

Almost surely, 2142241532 is an apocalyptic number.

142241532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142241532 is an abundant number, since it is smaller than the sum of its proper divisors (192944340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142241532 is a wasteful number, since it uses less digits than its factorization.

142241532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117469 (or 117467 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 142241532 is about 11926.5054395661. The cubic root of 142241532 is about 522.0059745943.

Adding to 142241532 its reverse (235142241), we get a palindrome (377383773).

The spelling of 142241532 in words is "one hundred forty-two million, two hundred forty-one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 117361 234722 352083 469444 704166 1408332 11853461 23706922 35560383 47413844 71120766 142241532