Base | Representation |
---|---|
bin | 10000100100001… |
… | …01110111000101 |
3 | 100200110220201201 |
4 | 20102011313011 |
5 | 241033212300 |
6 | 21442222501 |
7 | 3305100100 |
oct | 1022056705 |
9 | 320426651 |
10 | 138960325 |
11 | 71491a49 |
12 | 3a654a31 |
13 | 22a3505a |
14 | 14653737 |
15 | c2ed66a |
hex | 8485dc5 |
138960325 has 18 divisors (see below), whose sum is σ = 200444946. Its totient is φ = 95286240.
The previous prime is 138960323. The next prime is 138960337. The reversal of 138960325 is 523069831.
It can be written as a sum of positive squares in 3 ways, for example, as 7491169 + 131469156 = 2737^2 + 11466^2 .
It is not a de Polignac number, because 138960325 - 21 = 138960323 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138960323) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55494 + ... + 57943.
Almost surely, 2138960325 is an apocalyptic number.
It is an amenable number.
138960325 is a deficient number, since it is larger than the sum of its proper divisors (61484621).
138960325 is a wasteful number, since it uses less digits than its factorization.
138960325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113461 (or 113449 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 138960325 is about 11788.1434076788. The cubic root of 138960325 is about 517.9608565503.
The spelling of 138960325 in words is "one hundred thirty-eight million, nine hundred sixty thousand, three hundred twenty-five".
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