Base | Representation |
---|---|
bin | 11100011001111… |
… | …01011000111001 |
3 | 121121100210020120 |
4 | 32030331120321 |
5 | 441444400301 |
6 | 35351043453 |
7 | 5622221430 |
oct | 1614753071 |
9 | 547323216 |
10 | 238278201 |
11 | 112557a37 |
12 | 67970589 |
13 | 3a49a225 |
14 | 23908117 |
15 | 15dbae36 |
hex | e33d639 |
238278201 has 16 divisors (see below), whose sum is σ = 368206848. Its totient is φ = 134240400.
The previous prime is 238278199. The next prime is 238278233. The reversal of 238278201 is 102872832.
It is not a de Polignac number, because 238278201 - 21 = 238278199 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (238278701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78415 + ... + 81396.
It is an arithmetic number, because the mean of its divisors is an integer number (23012928).
Almost surely, 2238278201 is an apocalyptic number.
238278201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
238278201 is a deficient number, since it is larger than the sum of its proper divisors (129928647).
238278201 is a wasteful number, since it uses less digits than its factorization.
238278201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159892.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 238278201 is about 15436.2625333984. The cubic root of 238278201 is about 619.9568136759.
The spelling of 238278201 in words is "two hundred thirty-eight million, two hundred seventy-eight thousand, two hundred one".
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