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66422936 = 2319436993
BaseRepresentation
bin1111110101100…
…0100010011000
311121222122010202
43331120202120
5114001013221
610331401332
71434404606
oct375304230
9147878122
1066422936
1134548598
121a2b3248
13109b8618
148b70876
155c70d0b
hex3f58898

66422936 has 16 divisors (see below), whose sum is σ = 131098200. Its totient is φ = 31463424.

The previous prime is 66422921. The next prime is 66422947. The reversal of 66422936 is 63922466.

66422936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 66422936.

It is a congruent number.

It is an unprimeable number.

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, 218345 + ... + 218648.

Almost surely, 266422936 is an apocalyptic number.

It is an amenable number.

66422936 is a deficient number, since it is larger than the sum of its proper divisors (64675264).

66422936 is a wasteful number, since it uses less digits than its factorization.

66422936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437018 (or 437014 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 66422936 is about 8150.0267484224. The cubic root of 66422936 is about 404.9853899114.

The spelling of 66422936 in words is "sixty-six million, four hundred twenty-two thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 19 38 76 152 436993 873986 1747972 3495944 8302867 16605734 33211468 66422936