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235500389 is a prime number
BaseRepresentation
bin11100000100101…
…11001101100101
3121102010122210122
432002113031211
5440242003024
635211331325
75556502025
oct1602271545
9542118718
10235500389
11110a2aa23
1266a50b45
1339a36a57
14233c3a85
1515a1cd5e
hexe097365

235500389 has 2 divisors, whose sum is σ = 235500390. Its totient is φ = 235500388.

The previous prime is 235500341. The next prime is 235500481. The reversal of 235500389 is 983005532.

235500389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208802500 + 26697889 = 14450^2 + 5167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-235500389 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (235500689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117750194 + 117750195.

It is an arithmetic number, because the mean of its divisors is an integer number (117750195).

Almost surely, 2235500389 is an apocalyptic number.

It is an amenable number.

235500389 is a deficient number, since it is larger than the sum of its proper divisors (1).

235500389 is an equidigital number, since it uses as much as digits as its factorization.

235500389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 235500389 is about 15346.0219275225. The cubic root of 235500389 is about 617.5382692494.

The spelling of 235500389 in words is "two hundred thirty-five million, five hundred thousand, three hundred eighty-nine".