Base | Representation |
---|---|
bin | 10000100101011… |
… | …10101011010000 |
3 | 100200210102001112 |
4 | 20102232223100 |
5 | 241104040004 |
6 | 21445552452 |
7 | 3306364355 |
oct | 1022565320 |
9 | 320712045 |
10 | 139127504 |
11 | 7159660a |
12 | 3a715728 |
13 | 22a93189 |
14 | 1469862c |
15 | c332e6e |
hex | 84aead0 |
139127504 has 20 divisors (see below), whose sum is σ = 278256000. Its totient is φ = 67319520.
The previous prime is 139127503. The next prime is 139127531. The reversal of 139127504 is 405721931.
139127504 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139127501) 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, 139754 + ... + 140745.
It is an arithmetic number, because the mean of its divisors is an integer number (13912800).
Almost surely, 2139127504 is an apocalyptic number.
It is an amenable number.
139127504 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139127504 is a wasteful number, since it uses less digits than its factorization.
139127504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280538 (or 280532 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 139127504 is about 11795.2322571453. The cubic root of 139127504 is about 518.1684876991.
The spelling of 139127504 in words is "one hundred thirty-nine million, one hundred twenty-seven thousand, five hundred four".
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