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305445234241 = 74112792
BaseRepresentation
bin1000111000111011111…
…01000110011001000001
31002012102000002120212101
410130131331012121001
520001022434443431
6352153011230401
731032134440000
oct4343575063101
91065360076771
10305445234241
111085a1965394
124b244ba8401
1322a59ca8bc4
1410ad83c0c37
157e2a761961
hex471df46641

305445234241 has 15 divisors (see below), whose sum is σ = 356363165921. Its totient is φ = 261786988596.

The previous prime is 305445234239. The next prime is 305445234253. The reversal of 305445234241 is 142432544503.

The square root of 305445234241 is 552671.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 305445234241 - 21 = 305445234239 is a prime.

It is a super-2 number, since 2×3054452342412 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305445234241.

It is not an unprimeable number, because it can be changed into a prime (305445234541) 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 in 14 ways as a sum of consecutive naturals, for example, 27075240 + ... + 27086518.

Almost surely, 2305445234241 is an apocalyptic number.

305445234241 is the 552671-st square number.

305445234241 is the 276336-th centered octagonal number.

It is an amenable number.

305445234241 is a deficient number, since it is larger than the sum of its proper divisors (50917931680).

305445234241 is an frugal number, since it uses more digits than its factorization.

305445234241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22586 (or 11286 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 305445234241 its reverse (142432544503), we get a palindrome (447877778744).

The spelling of 305445234241 in words is "three hundred five billion, four hundred forty-five million, two hundred thirty-four thousand, two hundred forty-one".

Divisors: 1 7 49 343 2401 11279 78953 552671 3868697 27080879 127215841 890510887 6233576209 43635033463 305445234241