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65790142 = 21128310567
BaseRepresentation
bin1111101011111…
…0000010111110
311120210111002221
43322332002332
5113320241032
610310035554
71426130665
oct372760276
9146714087
1065790142
1134156120
121a048bba
13108265a2
148a47ddc
155b98597
hex3ebe0be

65790142 has 16 divisors (see below), whose sum is σ = 108047232. Its totient is φ = 29796120.

The previous prime is 65790139. The next prime is 65790157. The reversal of 65790142 is 24109756.

It is a junction number, because it is equal to n+sod(n) for n = 65790098 and 65790107.

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, 943 + ... + 11509.

It is an arithmetic number, because the mean of its divisors is an integer number (6752952).

Almost surely, 265790142 is an apocalyptic number.

65790142 is a deficient number, since it is larger than the sum of its proper divisors (42257090).

65790142 is a wasteful number, since it uses less digits than its factorization.

65790142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10863.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 65790142 is about 8111.1122541856. The cubic root of 65790142 is about 403.6952207405.

Adding to 65790142 its reverse (24109756), we get a palindrome (89899898).

The spelling of 65790142 in words is "sixty-five million, seven hundred ninety thousand, one hundred forty-two".

Divisors: 1 2 11 22 283 566 3113 6226 10567 21134 116237 232474 2990461 5980922 32895071 65790142