Base | Representation |
---|---|
bin | 10000100001010… |
… | …10110101011010 |
3 | 100122202222021201 |
4 | 20100222311122 |
5 | 240434244412 |
6 | 21430224414 |
7 | 3301655065 |
oct | 1020526532 |
9 | 318688251 |
10 | 138587482 |
11 | 71257910 |
12 | 3a4b510a |
13 | 22934437 |
14 | 145978dc |
15 | c277e57 |
hex | 842ad5a |
138587482 has 16 divisors (see below), whose sum is σ = 238716000. Its totient is φ = 59678640.
The previous prime is 138587479. The next prime is 138587483. The reversal of 138587482 is 284785831.
It is not an unprimeable number, because it can be changed into a prime (138587483) 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, 165357 + ... + 166192.
It is an arithmetic number, because the mean of its divisors is an integer number (14919750).
Almost surely, 2138587482 is an apocalyptic number.
138587482 is a deficient number, since it is larger than the sum of its proper divisors (100128518).
138587482 is a wasteful number, since it uses less digits than its factorization.
138587482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331581.
The product of its digits is 430080, while the sum is 46.
The square root of 138587482 is about 11772.3184632425. The cubic root of 138587482 is about 517.4971964966.
The spelling of 138587482 in words is "one hundred thirty-eight million, five hundred eighty-seven thousand, four hundred eighty-two".
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