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66455068 = 2240734079
BaseRepresentation
bin1111110110000…
…0011000011100
311122001021012211
43331200120130
5114003030233
610332210204
71434600361
oct375403034
9148037184
1066455068
113456a749
121a309964
13109ca134
148b7c468
155c7a5cd
hex3f6061c

66455068 has 12 divisors (see below), whose sum is σ = 116353440. Its totient is φ = 33211232.

The previous prime is 66455033. The next prime is 66455069. The reversal of 66455068 is 86055466.

66455068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66455068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66455069) 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, 14253 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (9696120).

Almost surely, 266455068 is an apocalyptic number.

It is an amenable number.

66455068 is a deficient number, since it is larger than the sum of its proper divisors (49898372).

66455068 is a wasteful number, since it uses less digits than its factorization.

66455068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156 (or 8154 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 66455068 is about 8151.9977919526. The cubic root of 66455068 is about 405.0506830845.

The spelling of 66455068 in words is "sixty-six million, four hundred fifty-five thousand, sixty-eight".

Divisors: 1 2 4 4073 4079 8146 8158 16292 16316 16613767 33227534 66455068