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238785083 is a prime number
BaseRepresentation
bin11100011101110…
…01001000111011
3121122022112112222
432032321020323
5442112110313
635405554255
75626432265
oct1616711073
9548275488
10238785083
11112873849
1267b7598b
133a616b64
14239dab35
1515e6b208
hexe3b923b

238785083 has 2 divisors, whose sum is σ = 238785084. Its totient is φ = 238785082.

The previous prime is 238785067. The next prime is 238785091. The reversal of 238785083 is 380587832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238785083 - 24 = 238785067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (238785023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119392541 + 119392542.

It is an arithmetic number, because the mean of its divisors is an integer number (119392542).

Almost surely, 2238785083 is an apocalyptic number.

238785083 is a deficient number, since it is larger than the sum of its proper divisors (1).

238785083 is an equidigital number, since it uses as much as digits as its factorization.

238785083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 238785083 is about 15452.6723578804. The cubic root of 238785083 is about 620.3961074417.

The spelling of 238785083 in words is "two hundred thirty-eight million, seven hundred eighty-five thousand, eighty-three".