Base | Representation |
---|---|
bin | 11100011100110… |
… | …00010100110110 |
3 | 121122001201012000 |
4 | 32032120110312 |
5 | 442043310203 |
6 | 35403040130 |
7 | 5625332400 |
oct | 1616302466 |
9 | 548051160 |
10 | 238650678 |
11 | 112791872 |
12 | 67b10046 |
13 | 3a59a926 |
14 | 239a3b70 |
15 | 15e414a3 |
hex | e398536 |
238650678 has 192 divisors, whose sum is σ = 669772800. Its totient is φ = 62596800.
The previous prime is 238650673. The next prime is 238650683. The reversal of 238650678 is 876056832.
238650678 is digitally balanced in base 2, because in such base 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 (238650673) and next prime (238650683).
It is a super-2 number, since 2×2386506782 = 113908292219719368, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238650673) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2362828 + ... + 2362928.
It is an arithmetic number, because the mean of its divisors is an integer number (3488400).
Almost surely, 2238650678 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238650678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334886400).
238650678 is an abundant number, since it is smaller than the sum of its proper divisors (431122122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238650678 is a wasteful number, since it uses less digits than its factorization.
238650678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192 (or 179 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 238650678 is about 15448.3228215881. The cubic root of 238650678 is about 620.2796847748.
The spelling of 238650678 in words is "two hundred thirty-eight million, six hundred fifty thousand, six hundred seventy-eight".
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