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142020024 = 2331092332
BaseRepresentation
bin10000111011100…
…00110110111000
3100220020100211220
420131300312320
5242324120044
622031552040
73343102356
oct1035606670
9326210756
10142020024
1173191823
123b68b620
1323566923
1414c0c7d6
15c705019
hex8770db8

142020024 has 48 divisors (see below), whose sum is σ = 359851800. Its totient is φ = 46704384.

The previous prime is 142020007. The next prime is 142020029. The reversal of 142020024 is 420020241.

142020024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142019985 and 142020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142020029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609412 + ... + 609644.

Almost surely, 2142020024 is an apocalyptic number.

It is an amenable number.

142020024 is an abundant number, since it is smaller than the sum of its proper divisors (217831776).

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

142020024 is a wasteful number, since it uses less digits than its factorization.

142020024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 142020024 is about 11917.2154465714. The cubic root of 142020024 is about 521.7348663106.

Adding to 142020024 its reverse (420020241), we get a palindrome (562040265).

The spelling of 142020024 in words is "one hundred forty-two million, twenty thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 24 109 218 233 327 436 466 654 699 872 932 1308 1398 1864 2616 2796 5592 25397 50794 54289 76191 101588 108578 152382 162867 203176 217156 304764 325734 434312 609528 651468 1302936 5917501 11835002 17752503 23670004 35505006 47340008 71010012 142020024