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3680513 = 16722039
BaseRepresentation
bin1110000010100100000001
320220222201022
432002210001
51420234023
6210515225
743166234
oct16024401
96828638
103680513
112094251
121295b15
139bb325
146bb41b
154ca7c8
hex382901

3680513 has 4 divisors (see below), whose sum is σ = 3702720. Its totient is φ = 3658308.

The previous prime is 3680507. The next prime is 3680519. The reversal of 3680513 is 3150863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3680507) and next prime (3680519).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3680513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3680519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10853 + ... + 11186.

It is an arithmetic number, because the mean of its divisors is an integer number (925680).

Almost surely, 23680513 is an apocalyptic number.

It is an amenable number.

3680513 is a deficient number, since it is larger than the sum of its proper divisors (22207).

3680513 is a wasteful number, since it uses less digits than its factorization.

3680513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22206.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3680513 is about 1918.4663145336. The cubic root of 3680513 is about 154.3960263011.

The spelling of 3680513 in words is "three million, six hundred eighty thousand, five hundred thirteen".

Divisors: 1 167 22039 3680513