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238223249 = 11173125183
BaseRepresentation
bin11100011001011…
…11111110010001
3121121020222212022
432030233332101
5441441120444
635345541225
75621602265
oct1614577621
9547228768
10238223249
1111251a720
1267944815
133a47b204
14238d20a5
1515da99ee
hexe32ff91

238223249 has 8 divisors (see below), whose sum is σ = 261384192. Its totient is φ = 215313040.

The previous prime is 238223231. The next prime is 238223263. The reversal of 238223249 is 942322832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238223249 - 28 = 238222993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238223269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60689 + ... + 64494.

It is an arithmetic number, because the mean of its divisors is an integer number (32673024).

Almost surely, 2238223249 is an apocalyptic number.

It is an amenable number.

238223249 is a deficient number, since it is larger than the sum of its proper divisors (23160943).

238223249 is a wasteful number, since it uses less digits than its factorization.

238223249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125367.

The product of its digits is 41472, while the sum is 35.

The square root of 238223249 is about 15434.4824662183. The cubic root of 238223249 is about 619.9091516210.

The spelling of 238223249 in words is "two hundred thirty-eight million, two hundred twenty-three thousand, two hundred forty-nine".

Divisors: 1 11 173 1903 125183 1377013 21656659 238223249