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142143024 = 2439730529
BaseRepresentation
bin10000111100011…
…10111000110000
3100220110121120110
420132032320300
5242342034044
622034341320
73344124102
oct1036167060
9326417513
10142143024
1173266181
123b72a840
13235aa8ca
1414c41572
15c72b6b9
hex878ee30

142143024 has 40 divisors (see below), whose sum is σ = 371000560. Its totient is φ = 46891008.

The previous prime is 142143017. The next prime is 142143037. The reversal of 142143024 is 420341241.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10609 + ... + 19920.

It is an arithmetic number, because the mean of its divisors is an integer number (9275014).

Almost surely, 2142143024 is an apocalyptic number.

It is an amenable number.

142143024 is an abundant number, since it is smaller than the sum of its proper divisors (228857536).

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

142143024 is a wasteful number, since it uses less digits than its factorization.

142143024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30637 (or 30631 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142143024 is about 11922.3749311955. The cubic root of 142143024 is about 521.8854433661.

Adding to 142143024 its reverse (420341241), we get a palindrome (562484265).

The spelling of 142143024 in words is "one hundred forty-two million, one hundred forty-three thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 97 194 291 388 582 776 1164 1552 2328 4656 30529 61058 91587 122116 183174 244232 366348 488464 732696 1465392 2961313 5922626 8883939 11845252 17767878 23690504 35535756 47381008 71071512 142143024