Base | Representation |
---|---|
bin | 10000100011111… |
… | …01010011110100 |
3 | 100200102010200111 |
4 | 20101331103310 |
5 | 241031102200 |
6 | 21441352404 |
7 | 3304563013 |
oct | 1021752364 |
9 | 320363614 |
10 | 138925300 |
11 | 714686a8 |
12 | 3a638704 |
13 | 22a22127 |
14 | 14644a7a |
15 | c2e30ba |
hex | 847d4f4 |
138925300 has 36 divisors (see below), whose sum is σ = 303869440. Its totient is φ = 55127520.
The previous prime is 138925289. The next prime is 138925307. The reversal of 138925300 is 3529831.
It is a happy number.
138925300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138925307) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7231 + ... + 18169.
Almost surely, 2138925300 is an apocalyptic number.
138925300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 138925300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151934720).
138925300 is an abundant number, since it is smaller than the sum of its proper divisors (164944140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138925300 is a wasteful number, since it uses less digits than its factorization.
138925300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11080 (or 11073 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 138925300 is about 11786.6577111580. The cubic root of 138925300 is about 517.9173354867.
The spelling of 138925300 in words is "one hundred thirty-eight million, nine hundred twenty-five thousand, three hundred".
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