Base | Representation |
---|---|
bin | 10000111011100… |
… | …10101101111010 |
3 | 100220020202022001 |
4 | 20131302231322 |
5 | 242324341032 |
6 | 22032051214 |
7 | 3343133521 |
oct | 1035625572 |
9 | 326222261 |
10 | 142027642 |
11 | 73197519 |
12 | 3b693b0a |
13 | 2356a233 |
14 | 14c114b8 |
15 | c7073e7 |
hex | 8772b7a |
142027642 has 16 divisors (see below), whose sum is σ = 217066464. Its totient is φ = 69678000.
The previous prime is 142027631. The next prime is 142027661. The reversal of 142027642 is 246720241.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 142027642.
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, 58717 + ... + 61087.
It is an arithmetic number, because the mean of its divisors is an integer number (13566654).
Almost surely, 2142027642 is an apocalyptic number.
142027642 is a deficient number, since it is larger than the sum of its proper divisors (75038822).
142027642 is a wasteful number, since it uses less digits than its factorization.
142027642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2925.
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 142027642 is about 11917.5350639300. The cubic root of 142027642 is about 521.7441948194.
Adding to 142027642 its reverse (246720241), we get a palindrome (388747883).
The spelling of 142027642 in words is "one hundred forty-two million, twenty-seven thousand, six hundred forty-two".
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