Base | Representation |
---|---|
bin | 10000111111000… |
… | …01001000100100 |
3 | 100221002201200122 |
4 | 20133201020210 |
5 | 242433324113 |
6 | 22045501112 |
7 | 3350026214 |
oct | 1037411044 |
9 | 327081618 |
10 | 142479908 |
11 | 7347629a |
12 | 3b871798 |
13 | 2369804c |
14 | 14ccc244 |
15 | c796408 |
hex | 87e1224 |
142479908 has 6 divisors (see below), whose sum is σ = 249339846. Its totient is φ = 71239952.
The previous prime is 142479901. The next prime is 142479913. The reversal of 142479908 is 809974241.
It can be written as a sum of positive squares in only one way, i.e., 79245604 + 63234304 = 8902^2 + 7952^2 .
It is not an unprimeable number, because it can be changed into a prime (142479901) 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 as a sum of consecutive naturals, namely, 17809985 + ... + 17809992.
It is an arithmetic number, because the mean of its divisors is an integer number (41556641).
Almost surely, 2142479908 is an apocalyptic number.
It is an amenable number.
142479908 is a deficient number, since it is larger than the sum of its proper divisors (106859938).
142479908 is a wasteful number, since it uses less digits than its factorization.
142479908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35619981 (or 35619979 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 44.
The square root of 142479908 is about 11936.4947953744. The cubic root of 142479908 is about 522.2974137359.
The spelling of 142479908 in words is "one hundred forty-two million, four hundred seventy-nine thousand, nine hundred eight".
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