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142144312 = 23292512441
BaseRepresentation
bin10000111100011…
…11001100111000
3100220110200100011
420132033030320
5242342104222
622034351304
73344130622
oct1036171470
9326420304
10142144312
1173267142
123b72b534
13235ab37b
1414c41c12
15c72bc77
hex878f338

142144312 has 32 divisors (see below), whose sum is σ = 276922800. Its totient is φ = 68320000.

The previous prime is 142144297. The next prime is 142144333. The reversal of 142144312 is 213441241.

It is a happy number.

142144312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57012 + ... + 59452.

Almost surely, 2142144312 is an apocalyptic number.

It is an amenable number.

142144312 is a deficient number, since it is larger than the sum of its proper divisors (134778488).

142144312 is a wasteful number, since it uses less digits than its factorization.

142144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2723 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 142144312 is about 11922.4289471567. The cubic root of 142144312 is about 521.8870196809.

Adding to 142144312 its reverse (213441241), we get a palindrome (355585553).

The spelling of 142144312 in words is "one hundred forty-two million, one hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 251 502 1004 2008 2441 4882 7279 9764 14558 19528 29116 58232 70789 141578 283156 566312 612691 1225382 2450764 4901528 17768039 35536078 71072156 142144312