Base | Representation |
---|---|
bin | 11100011000011… |
… | …00010101001101 |
3 | 121120222120121100 |
4 | 32030030111031 |
5 | 441421433021 |
6 | 35342453313 |
7 | 5620423542 |
oct | 1614142515 |
9 | 546876540 |
10 | 238077261 |
11 | 11242aa74 |
12 | 67894239 |
13 | 3a429926 |
14 | 23894bc9 |
15 | 15d7b626 |
hex | e30c54d |
238077261 has 12 divisors (see below), whose sum is σ = 344361888. Its totient is φ = 158500104.
The previous prime is 238077251. The next prime is 238077289. The reversal of 238077261 is 162770832.
It is not a de Polignac number, because 238077261 - 218 = 237815117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238077251) 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 11 ways as a sum of consecutive naturals, for example, 11115 + ... + 24488.
It is an arithmetic number, because the mean of its divisors is an integer number (28696824).
Almost surely, 2238077261 is an apocalyptic number.
It is an amenable number.
238077261 is a deficient number, since it is larger than the sum of its proper divisors (106284627).
238077261 is a wasteful number, since it uses less digits than its factorization.
238077261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36352 (or 36349 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 238077261 is about 15429.7524607493. The cubic root of 238077261 is about 619.7824948114.
The spelling of 238077261 in words is "two hundred thirty-eight million, seventy-seven thousand, two hundred sixty-one".
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