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3660130640 = 24547973439
BaseRepresentation
bin1101101000101001…
…0010100101010000
3100110002011220100002
43122022102211100
524443443140030
61403105145132
7156462411545
oct33212224520
910402156302
103660130640
111609059361
1286192b1a8
134643a469a
1426a162bcc
151664dd245
hexda292950

3660130640 has 40 divisors (see below), whose sum is σ = 8690872320. Its totient is φ = 1432900736.

The previous prime is 3660130619. The next prime is 3660130673. The reversal of 3660130640 is 460310663.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 482960 + ... + 490479.

It is an arithmetic number, because the mean of its divisors is an integer number (217271808).

Almost surely, 23660130640 is an apocalyptic number.

It is an amenable number.

3660130640 is an abundant number, since it is smaller than the sum of its proper divisors (5030741680).

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

3660130640 is a wasteful number, since it uses less digits than its factorization.

3660130640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973499 (or 973493 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3660130640 is about 60499.0135456769. The cubic root of 3660130640 is about 1541.1048797918.

The spelling of 3660130640 in words is "three billion, six hundred sixty million, one hundred thirty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 47 80 94 188 235 376 470 752 940 1880 3760 973439 1946878 3893756 4867195 7787512 9734390 15575024 19468780 38937560 45751633 77875120 91503266 183006532 228758165 366013064 457516330 732026128 915032660 1830065320 3660130640