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64056641 = 1112745853
BaseRepresentation
bin1111010001011…
…0110101000001
311110112102012012
43310112311001
5112344303031
610204542305
71405321025
oct364266501
9143472165
1064056641
1133181780
1219551995
131036a54c
148716385
155954b2b
hex3d16d41

64056641 has 8 divisors (see below), whose sum is σ = 70431744. Its totient is φ = 57773520.

The previous prime is 64056607. The next prime is 64056647. The reversal of 64056641 is 14665046.

64056641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64056641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64056598 and 64056607.

It is not an unprimeable number, because it can be changed into a prime (64056647) 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 7 ways as a sum of consecutive naturals, for example, 21530 + ... + 24323.

It is an arithmetic number, because the mean of its divisors is an integer number (8803968).

Almost surely, 264056641 is an apocalyptic number.

It is an amenable number.

64056641 is a deficient number, since it is larger than the sum of its proper divisors (6375103).

64056641 is a wasteful number, since it uses less digits than its factorization.

64056641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45991.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 64056641 is about 8003.5392795937. The cubic root of 64056641 is about 400.1179672892.

The spelling of 64056641 in words is "sixty-four million, fifty-six thousand, six hundred forty-one".

Divisors: 1 11 127 1397 45853 504383 5823331 64056641