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238338875 = 531906711
BaseRepresentation
bin11100011010011…
…00001100111011
3121121110212110202
432031030030323
5442003321000
635352232415
75622563345
oct1615141473
9547425422
10238338875
11112599585
126799b70b
133a4bba28
1423922295
1515dcddd5
hexe34c33b

238338875 has 8 divisors (see below), whose sum is σ = 297447072. Its totient is φ = 190671000.

The previous prime is 238338871. The next prime is 238338883. The reversal of 238338875 is 578833832.

It is not a de Polignac number, because 238338875 - 22 = 238338871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238338871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953231 + ... + 953480.

It is an arithmetic number, because the mean of its divisors is an integer number (37180884).

Almost surely, 2238338875 is an apocalyptic number.

238338875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238338875 is a deficient number, since it is larger than the sum of its proper divisors (59108197).

238338875 is an equidigital number, since it uses as much as digits as its factorization.

238338875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906726 (or 1906716 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 238338875 is about 15438.2277156415. The cubic root of 238338875 is about 620.0094301375.

The spelling of 238338875 in words is "two hundred thirty-eight million, three hundred thirty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 1906711 9533555 47667775 238338875