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68264851 = 232968037
BaseRepresentation
bin1000001000110…
…10001110010011
311202110012202211
410010122032103
5114433433401
610435052551
71456145614
oct404321623
9152405684
1068264851
1135596436
121aa41157
13111b1b05
1490cdc0b
155ed6951
hex411a393

68264851 has 4 divisors (see below), whose sum is σ = 71232912. Its totient is φ = 65296792.

The previous prime is 68264849. The next prime is 68264863. The reversal of 68264851 is 15846286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68264851 - 21 = 68264849 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68264831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483996 + ... + 1484041.

It is an arithmetic number, because the mean of its divisors is an integer number (17808228).

Almost surely, 268264851 is an apocalyptic number.

68264851 is a deficient number, since it is larger than the sum of its proper divisors (2968061).

68264851 is a wasteful number, since it uses less digits than its factorization.

68264851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968060.

The product of its digits is 92160, while the sum is 40.

The square root of 68264851 is about 8262.2545954479. The cubic root of 68264851 is about 408.6947405713.

The spelling of 68264851 in words is "sixty-eight million, two hundred sixty-four thousand, eight hundred fifty-one".

Divisors: 1 23 2968037 68264851