Base | Representation |
---|---|
bin | 10000111011110… |
… | …01111000011000 |
3 | 100220022020112210 |
4 | 20131321320120 |
5 | 242331310414 |
6 | 22032435120 |
7 | 3343315206 |
oct | 1035717030 |
9 | 326266483 |
10 | 142056984 |
11 | 73207573 |
12 | 3b6a8aa0 |
13 | 2357a6b4 |
14 | 14c1c076 |
15 | c710e59 |
hex | 8779e18 |
142056984 has 16 divisors (see below), whose sum is σ = 355142520. Its totient is φ = 47352320.
The previous prime is 142056953. The next prime is 142056989. The reversal of 142056984 is 489650241.
142056984 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 not an unprimeable number, because it can be changed into a prime (142056989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959497 + ... + 2959544.
Almost surely, 2142056984 is an apocalyptic number.
It is an amenable number.
142056984 is an abundant number, since it is smaller than the sum of its proper divisors (213085536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142056984 is a wasteful number, since it uses less digits than its factorization.
142056984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5919050 (or 5919046 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 142056984 is about 11918.7660435131. The cubic root of 142056984 is about 521.7801220136.
The spelling of 142056984 in words is "one hundred forty-two million, fifty-six thousand, nine hundred eighty-four".
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