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905385319 is a prime number
BaseRepresentation
bin110101111101110…
…001010101100111
32100002122100011121
4311331301111213
53323234312234
6225501314411
731302435226
oct6575612547
92302570147
10905385319
11425080433
12213265a07
13115760977
148835ccbd
15547424b4
hex35f71567

905385319 has 2 divisors, whose sum is σ = 905385320. Its totient is φ = 905385318.

The previous prime is 905385263. The next prime is 905385361. The reversal of 905385319 is 913583509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 905385319 - 213 = 905377127 is a prime.

It is a super-2 number, since 2×9053853192 = 1639445151721463522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905385389) 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, 452692659 + 452692660.

It is an arithmetic number, because the mean of its divisors is an integer number (452692660).

Almost surely, 2905385319 is an apocalyptic number.

905385319 is a deficient number, since it is larger than the sum of its proper divisors (1).

905385319 is an equidigital number, since it uses as much as digits as its factorization.

905385319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 905385319 is about 30089.6214499285. The cubic root of 905385319 is about 967.4112853464.

The spelling of 905385319 in words is "nine hundred five million, three hundred eighty-five thousand, three hundred nineteen".