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68894083 = 79872077
BaseRepresentation
bin1000001101100…
…11110110000011
311210122011220201
410012303312003
5120114102313
610500350031
71464406246
oct406636603
9153564821
1068894083
1135986165
121b0a5317
131137233b
14921525d
1560ad0dd
hex41b3d83

68894083 has 4 divisors (see below), whose sum is σ = 69766240. Its totient is φ = 68021928.

The previous prime is 68894051. The next prime is 68894087. The reversal of 68894083 is 38049886.

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 68894083 - 25 = 68894051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68894087) 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 3 ways as a sum of consecutive naturals, for example, 435960 + ... + 436117.

It is an arithmetic number, because the mean of its divisors is an integer number (17441560).

Almost surely, 268894083 is an apocalyptic number.

68894083 is a deficient number, since it is larger than the sum of its proper divisors (872157).

68894083 is an equidigital number, since it uses as much as digits as its factorization.

68894083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872156.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 68894083 is about 8300.2459602111. The cubic root of 68894083 is about 409.9466180748.

The spelling of 68894083 in words is "sixty-eight million, eight hundred ninety-four thousand, eighty-three".

Divisors: 1 79 872077 68894083