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3205424357 is a prime number
BaseRepresentation
bin1011111100001110…
…1110010011100101
322021101120102120122
42333003232103211
523031042034412
61250023211325
7142301441342
oct27703562345
98241512518
103205424357
1113a5418843
127555a6b45
133c111a805
142259db7c9
1513b620572
hexbf0ee4e5

3205424357 has 2 divisors, whose sum is σ = 3205424358. Its totient is φ = 3205424356.

The previous prime is 3205424347. The next prime is 3205424381. The reversal of 3205424357 is 7534245023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2150084161 + 1055340196 = 46369^2 + 32486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3205424357 - 226 = 3138315493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205424347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602712178 + 1602712179.

It is an arithmetic number, because the mean of its divisors is an integer number (1602712179).

Almost surely, 23205424357 is an apocalyptic number.

It is an amenable number.

3205424357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205424357 is an equidigital number, since it uses as much as digits as its factorization.

3205424357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 3205424357 is about 56616.4671893258. The cubic root of 3205424357 is about 1474.4447753415. Note that the first 3 decimals are identical.

The spelling of 3205424357 in words is "three billion, two hundred five million, four hundred twenty-four thousand, three hundred fifty-seven".