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66527083 = 79503869
BaseRepresentation
bin1111110111000…
…1111101101011
311122011221000001
43331301331223
5114012331313
610333523431
71435320340
oct375617553
9148157001
1066527083
1134609867
121a343577
1310a23b4c
148b9a7c7
155c91add
hex3f71f6b

66527083 has 4 divisors (see below), whose sum is σ = 76030960. Its totient is φ = 57023208.

The previous prime is 66527053. The next prime is 66527099. The reversal of 66527083 is 38072566.

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 66527083 - 213 = 66518891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66527053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751928 + ... + 4751941.

It is an arithmetic number, because the mean of its divisors is an integer number (19007740).

Almost surely, 266527083 is an apocalyptic number.

66527083 is a deficient number, since it is larger than the sum of its proper divisors (9503877).

66527083 is an equidigital number, since it uses as much as digits as its factorization.

66527083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9503876.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 66527083 is about 8156.4136113858. The cubic root of 66527083 is about 405.1969432842.

The spelling of 66527083 in words is "sixty-six million, five hundred twenty-seven thousand, eighty-three".

Divisors: 1 7 9503869 66527083