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65745441 = 327305049
BaseRepresentation
bin1111101011001…
…1001000100001
311120201012210100
43322303020201
5113312323231
610305053013
71425553446
oct372631041
9146635710
1065745441
1134125583
121a027169
131080c138
148a359cd
155b8a1e6
hex3eb3221

65745441 has 6 divisors (see below), whose sum is σ = 94965650. Its totient is φ = 43830288.

The previous prime is 65745437. The next prime is 65745461. The reversal of 65745441 is 14454756.

65745441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 13905441 = 7200^2 + 3729^2 .

It is not a de Polignac number, because 65745441 - 22 = 65745437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65745396 and 65745405.

It is not an unprimeable number, because it can be changed into a prime (65745461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3652516 + ... + 3652533.

Almost surely, 265745441 is an apocalyptic number.

It is an amenable number.

65745441 is a deficient number, since it is larger than the sum of its proper divisors (29220209).

65745441 is a wasteful number, since it uses less digits than its factorization.

65745441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305055 (or 7305052 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 65745441 is about 8108.3562452571. The cubic root of 65745441 is about 403.6037700152.

The spelling of 65745441 in words is "sixty-five million, seven hundred forty-five thousand, four hundred forty-one".

Divisors: 1 3 9 7305049 21915147 65745441