Base | Representation |
---|---|
bin | 10001000010001… |
… | …00011101000111 |
3 | 100221212101202000 |
4 | 20201010131013 |
5 | 243034333402 |
6 | 22102320343 |
7 | 3353342244 |
oct | 1041043507 |
9 | 327771660 |
10 | 142886727 |
11 | 73723a05 |
12 | 3ba290b3 |
13 | 237ab279 |
14 | 14d965cb |
15 | c826c1c |
hex | 8844747 |
142886727 has 16 divisors (see below), whose sum is σ = 211868160. Its totient is φ = 95175000.
The previous prime is 142886713. The next prime is 142886749. The reversal of 142886727 is 727688241.
It is not a de Polignac number, because 142886727 - 26 = 142886663 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142886767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59602 + ... + 61952.
It is an arithmetic number, because the mean of its divisors is an integer number (13241760).
Almost surely, 2142886727 is an apocalyptic number.
142886727 is a deficient number, since it is larger than the sum of its proper divisors (68981433).
142886727 is a wasteful number, since it uses less digits than its factorization.
142886727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4611 (or 4605 counting only the distinct ones).
The product of its digits is 301056, while the sum is 45.
The square root of 142886727 is about 11953.5236227650. The cubic root of 142886727 is about 522.7940418916.
The spelling of 142886727 in words is "one hundred forty-two million, eight hundred eighty-six thousand, seven hundred twenty-seven".
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