Base | Representation |
---|---|
bin | 10000111100011… |
… | …10111000111000 |
3 | 100220110121120202 |
4 | 20132032320320 |
5 | 242342034112 |
6 | 22034341332 |
7 | 3344124113 |
oct | 1036167070 |
9 | 326417522 |
10 | 142143032 |
11 | 73266189 |
12 | 3b72a848 |
13 | 235aa905 |
14 | 14c4157a |
15 | c72b6c2 |
hex | 878ee38 |
142143032 has 32 divisors (see below), whose sum is σ = 272490480. Its totient is φ = 69488640.
The previous prime is 142143017. The next prime is 142143037. The reversal of 142143032 is 230341241.
142143032 is digitally balanced in base 2 and base 3, because in such bases 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 = 142142995 and 142143013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142143037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221432 + ... + 222072.
Almost surely, 2142143032 is an apocalyptic number.
It is an amenable number.
142143032 is a deficient number, since it is larger than the sum of its proper divisors (130347448).
142143032 is a wasteful number, since it uses less digits than its factorization.
142143032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1223 (or 1219 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 142143032 is about 11922.3752666992. The cubic root of 142143032 is about 521.8854531569.
Adding to 142143032 its reverse (230341241), we get a palindrome (372484273).
The spelling of 142143032 in words is "one hundred forty-two million, one hundred forty-three thousand, thirty-two".
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