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66031102 = 291136241
BaseRepresentation
bin1111101111100…
…0110111111110
311121020201122101
43323320313332
5113400443402
610315135314
71431153334
oct373706776
9147221571
1066031102
1134300165
121a14453a
13108ac177
148aabb54
155be4b87
hex3ef8dfe

66031102 has 8 divisors (see below), whose sum is σ = 99158112. Its totient is φ = 32978400.

The previous prime is 66031093. The next prime is 66031109. The reversal of 66031102 is 20113066.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66031102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66031109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16299 + ... + 19942.

It is an arithmetic number, because the mean of its divisors is an integer number (12394764).

Almost surely, 266031102 is an apocalyptic number.

66031102 is a deficient number, since it is larger than the sum of its proper divisors (33127010).

66031102 is a wasteful number, since it uses less digits than its factorization.

66031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37154.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 66031102 is about 8125.9523749527. The cubic root of 66031102 is about 404.1874722181.

Adding to 66031102 its reverse (20113066), we get a palindrome (86144168).

The spelling of 66031102 in words is "sixty-six million, thirty-one thousand, one hundred two".

Divisors: 1 2 911 1822 36241 72482 33015551 66031102