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66964848 = 2434729683
BaseRepresentation
bin1111111101110…
…0110101110000
311200000011111120
43333130311300
5114120333343
610351142240
71442122536
oct377346560
9150004446
1066964848
1134888755
121a514980
1310b48192
148c72156
155d2b683
hex3fdcd70

66964848 has 40 divisors (see below), whose sum is σ = 176679168. Its totient is φ = 21845952.

The previous prime is 66964841. The next prime is 66964879. The reversal of 66964848 is 84846966.

It is a self number, because there is not a number n which added to its sum of digits gives 66964848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66964841) by changing a digit.

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, 12586 + ... + 17097.

Almost surely, 266964848 is an apocalyptic number.

It is an amenable number.

66964848 is an abundant number, since it is smaller than the sum of its proper divisors (109714320).

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

66964848 is a wasteful number, since it uses less digits than its factorization.

66964848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29741 (or 29735 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 66964848 is about 8183.2052400022. The cubic root of 66964848 is about 406.0837670024.

The spelling of 66964848 in words is "sixty-six million, nine hundred sixty-four thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 94 141 188 282 376 564 752 1128 2256 29683 59366 89049 118732 178098 237464 356196 474928 712392 1395101 1424784 2790202 4185303 5580404 8370606 11160808 16741212 22321616 33482424 66964848