Base | Representation |
---|---|
bin | 10000011101000… |
… | …10111101101010 |
3 | 100121201200212120 |
4 | 20032202331222 |
5 | 240313442304 |
6 | 21410252110 |
7 | 3264146415 |
oct | 1016427552 |
9 | 317650776 |
10 | 138030954 |
11 | 70a07776 |
12 | 3a287036 |
13 | 2279b029 |
14 | 14490b7c |
15 | c1b80d9 |
hex | 83a2f6a |
138030954 has 16 divisors (see below), whose sum is σ = 276480192. Its totient is φ = 45940608.
The previous prime is 138030947. The next prime is 138030961. The reversal of 138030954 is 459030831.
138030954 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (138030947) and next prime (138030961).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13054 + ... + 21129.
It is an arithmetic number, because the mean of its divisors is an integer number (17280012).
Almost surely, 2138030954 is an apocalyptic number.
138030954 is an abundant number, since it is smaller than the sum of its proper divisors (138449238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138030954 is a wasteful number, since it uses less digits than its factorization.
138030954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34861.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 138030954 is about 11748.6575403320. The cubic root of 138030954 is about 516.8035598877.
The spelling of 138030954 in words is "one hundred thirty-eight million, thirty thousand, nine hundred fifty-four".
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