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238265233 = 683348851
BaseRepresentation
bin11100011001110…
…10001110010001
3121121100010110021
432030322032101
5441443441413
635350503441
75622135553
oct1614721621
9547303407
10238265233
11112549218
1267964b81
133a49435b
14239034d3
1515db718d
hexe33a391

238265233 has 4 divisors (see below), whose sum is σ = 238614768. Its totient is φ = 237915700.

The previous prime is 238265213. The next prime is 238265249. The reversal of 238265233 is 332562832.

238265233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238265233 - 25 = 238265201 is a prime.

It is a super-3 number, since 3×2382652333 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238265213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173743 + ... + 175108.

It is an arithmetic number, because the mean of its divisors is an integer number (59653692).

Almost surely, 2238265233 is an apocalyptic number.

It is an amenable number.

238265233 is a deficient number, since it is larger than the sum of its proper divisors (349535).

238265233 is an equidigital number, since it uses as much as digits as its factorization.

238265233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349534.

The product of its digits is 51840, while the sum is 34.

The square root of 238265233 is about 15435.8424778177. The cubic root of 238265233 is about 619.9455666745.

The spelling of 238265233 in words is "two hundred thirty-eight million, two hundred sixty-five thousand, two hundred thirty-three".

Divisors: 1 683 348851 238265233