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66496892 = 22711215899
BaseRepresentation
bin1111110110101…
…0100101111100
311122010101120212
43331222211330
5114010400032
610333131552
71435133330
oct375524574
9148111525
1066496892
1134599110
121a329bb8
1310a13197
148b8d7c0
155c87bb2
hex3f6a97c

66496892 has 24 divisors (see below), whose sum is σ = 145084800. Its totient is φ = 25907760.

The previous prime is 66496873. The next prime is 66496901. The reversal of 66496892 is 29869466.

It is a self number, because there is not a number n which added to its sum of digits gives 66496892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107642 + ... + 108257.

It is an arithmetic number, because the mean of its divisors is an integer number (6045200).

Almost surely, 266496892 is an apocalyptic number.

It is an amenable number.

66496892 is an abundant number, since it is smaller than the sum of its proper divisors (78587908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66496892 is a wasteful number, since it uses less digits than its factorization.

66496892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215921 (or 215919 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 66496892 is about 8154.5626492167. The cubic root of 66496892 is about 405.1356391687.

The spelling of 66496892 in words is "sixty-six million, four hundred ninety-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 215899 431798 863596 1511293 2374889 3022586 4749778 6045172 9499556 16624223 33248446 66496892