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66383022 = 2311063837
BaseRepresentation
bin1111110100111…
…0110010101110
311121220121101110
43331032302232
5113443224042
610330452450
71434150336
oct375166256
9147817343
1066383022
1134520602
121a294126
13109a33c4
148b600c6
155c6409c
hex3f4ecae

66383022 has 8 divisors (see below), whose sum is σ = 132766056. Its totient is φ = 22127672.

The previous prime is 66383021. The next prime is 66383029. The reversal of 66383022 is 22038366.

It is a sphenic number, since it is the product of 3 distinct primes.

66383022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66383021) 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 3 ways as a sum of consecutive naturals, for example, 5531913 + ... + 5531924.

It is an arithmetic number, because the mean of its divisors is an integer number (16595757).

Almost surely, 266383022 is an apocalyptic number.

66383022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66383022 is a wasteful number, since it uses less digits than its factorization.

66383022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11063842.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 66383022 is about 8147.5776768313. The cubic root of 66383022 is about 404.9042541536.

The spelling of 66383022 in words is "sixty-six million, three hundred eighty-three thousand, twenty-two".

Divisors: 1 2 3 6 11063837 22127674 33191511 66383022