Base | Representation |
---|---|
bin | 10000011100110… |
… | …11101000111000 |
3 | 100121200011201101 |
4 | 20032123220320 |
5 | 240312012302 |
6 | 21405501144 |
7 | 3263663065 |
oct | 1016335070 |
9 | 317604641 |
10 | 138000952 |
11 | 70997181 |
12 | 3a2717b4 |
13 | 2278a48b |
14 | 14483c6c |
15 | c1ae287 |
hex | 839ba38 |
138000952 has 32 divisors (see below), whose sum is σ = 276123600. Its totient is φ = 64468224.
The previous prime is 138000931. The next prime is 138000953. The reversal of 138000952 is 259000831.
It is a self number, because there is not a number n which added to its sum of digits gives 138000952.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138000953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878 + ... + 17314.
Almost surely, 2138000952 is an apocalyptic number.
It is an amenable number.
138000952 is an abundant number, since it is smaller than the sum of its proper divisors (138122648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138000952 is a wasteful number, since it uses less digits than its factorization.
138000952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12535 (or 12531 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 138000952 is about 11747.3806442117. The cubic root of 138000952 is about 516.7661135433.
The spelling of 138000952 in words is "one hundred thirty-eight million, nine hundred fifty-two", and thus it is an aban number.
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