Base | Representation |
---|---|
bin | 11100011001111… |
… | …00111101100001 |
3 | 121121100200211200 |
4 | 32030330331201 |
5 | 441444321244 |
6 | 35351031413 |
7 | 5622213345 |
oct | 1614747541 |
9 | 547320750 |
10 | 238276449 |
11 | 112556694 |
12 | 6796b569 |
13 | 3a4994a8 |
14 | 23907625 |
15 | 15dba669 |
hex | e33cf61 |
238276449 has 12 divisors (see below), whose sum is σ = 345962916. Its totient is φ = 158026752.
The previous prime is 238276439. The next prime is 238276457. The reversal of 238276449 is 944672832.
It can be written as a sum of positive squares in 2 ways, for example, as 99201600 + 139074849 = 9960^2 + 11793^2 .
It is not a de Polignac number, because 238276449 - 219 = 237752161 is a prime.
It is a super-2 number, since 2×2382764492 = 113551332296099202, which contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (238276429) 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, 66852 + ... + 70325.
It is an arithmetic number, because the mean of its divisors is an integer number (28830243).
Almost surely, 2238276449 is an apocalyptic number.
It is an amenable number.
238276449 is a deficient number, since it is larger than the sum of its proper divisors (107686467).
238276449 is a wasteful number, since it uses less digits than its factorization.
238276449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137376 (or 137373 counting only the distinct ones).
The product of its digits is 580608, while the sum is 45.
The square root of 238276449 is about 15436.2057838058. The cubic root of 238276449 is about 619.9552942097.
It can be divided in two parts, 23827 and 6449, that added together give a square (30276 = 1742).
The spelling of 238276449 in words is "two hundred thirty-eight million, two hundred seventy-six thousand, four hundred forty-nine".
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