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238141901 is a prime number
BaseRepresentation
bin11100011000111…
…00000111001101
3121121002212021102
432030130013031
5441431020101
635344112445
75621113154
oct1614340715
9547085242
10238141901
11112474598
1267905725
133a45018a
14238b059b
1515d9086b
hexe31c1cd

238141901 has 2 divisors, whose sum is σ = 238141902. Its totient is φ = 238141900.

The previous prime is 238141873. The next prime is 238141913. The reversal of 238141901 is 109141832.

238141901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135606025 + 102535876 = 11645^2 + 10126^2 .

It is a cyclic number.

It is not a de Polignac number, because 238141901 - 26 = 238141837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238141951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119070950 + 119070951.

It is an arithmetic number, because the mean of its divisors is an integer number (119070951).

Almost surely, 2238141901 is an apocalyptic number.

It is an amenable number.

238141901 is a deficient number, since it is larger than the sum of its proper divisors (1).

238141901 is an equidigital number, since it uses as much as digits as its factorization.

238141901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 238141901 is about 15431.8469730619. The cubic root of 238141901 is about 619.8385818075.

The spelling of 238141901 in words is "two hundred thirty-eight million, one hundred forty-one thousand, nine hundred one".