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238225903 is a prime number
BaseRepresentation
bin11100011001100…
…00100111101111
3121121021010111121
432030300213233
5441441212103
635350001411
75621613106
oct1614604757
9547233447
10238225903
11112521713
1267946267
133a47c496
14238d303d
1515daa6bd
hexe3309ef

238225903 has 2 divisors, whose sum is σ = 238225904. Its totient is φ = 238225902.

The previous prime is 238225901. The next prime is 238225907. The reversal of 238225903 is 309522832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238225903 - 21 = 238225901 is a prime.

Together with 238225901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238225901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119112951 + 119112952.

It is an arithmetic number, because the mean of its divisors is an integer number (119112952).

Almost surely, 2238225903 is an apocalyptic number.

238225903 is a deficient number, since it is larger than the sum of its proper divisors (1).

238225903 is an equidigital number, since it uses as much as digits as its factorization.

238225903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 238225903 is about 15434.5684422986. The cubic root of 238225903 is about 619.9114537092.

The spelling of 238225903 in words is "two hundred thirty-eight million, two hundred twenty-five thousand, nine hundred three".