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66103052 = 2219869777
BaseRepresentation
bin1111110000101…
…0011100001100
311121101101100012
43330022130030
5113410244202
610320452352
71431603161
oct374123414
9147341305
1066103052
113434a224
121a17a0b8
1310905b42
148aca068
155c0b152
hex3f0a70c

66103052 has 12 divisors (see below), whose sum is σ = 121768920. Its totient is φ = 31311936.

The previous prime is 66103049. The next prime is 66103057. The reversal of 66103052 is 25030166.

66103052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×661030522 = 8739226967429408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66103057) 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, 434813 + ... + 434964.

It is an arithmetic number, because the mean of its divisors is an integer number (10147410).

Almost surely, 266103052 is an apocalyptic number.

It is an amenable number.

66103052 is a deficient number, since it is larger than the sum of its proper divisors (55665868).

66103052 is a wasteful number, since it uses less digits than its factorization.

66103052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869800 (or 869798 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 66103052 is about 8130.3783429801. The cubic root of 66103052 is about 404.3342249424.

The spelling of 66103052 in words is "sixty-six million, one hundred three thousand, fifty-two".

Divisors: 1 2 4 19 38 76 869777 1739554 3479108 16525763 33051526 66103052