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238750249 is a prime number
BaseRepresentation
bin11100011101100…
…00101000101001
3121122020202202211
432032300220221
5442110001444
635405125121
75626225603
oct1616605051
9548222684
10238750249
1111284a661
1267b597a1
133a60404a
14239cc173
1515e60c34
hexe3b0a29

238750249 has 2 divisors, whose sum is σ = 238750250. Its totient is φ = 238750248.

The previous prime is 238750231. The next prime is 238750283. The reversal of 238750249 is 942057832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193766400 + 44983849 = 13920^2 + 6707^2 .

It is a cyclic number.

It is not a de Polignac number, because 238750249 - 25 = 238750217 is a prime.

It is not a weakly prime, because it can be changed into another prime (238750349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119375124 + 119375125.

It is an arithmetic number, because the mean of its divisors is an integer number (119375125).

Almost surely, 2238750249 is an apocalyptic number.

It is an amenable number.

238750249 is a deficient number, since it is larger than the sum of its proper divisors (1).

238750249 is an equidigital number, since it uses as much as digits as its factorization.

238750249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 238750249 is about 15451.5451978111. The cubic root of 238750249 is about 620.3659381521.

The spelling of 238750249 in words is "two hundred thirty-eight million, seven hundred fifty thousand, two hundred forty-nine".