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3686073 = 31228691
BaseRepresentation
bin1110000011111010111001
320221021100020
432003322321
51420423243
6211001053
743221366
oct16037271
96837306
103686073
112098446
121299189
139c0a11
146bd46d
154cc283
hex383eb9

3686073 has 4 divisors (see below), whose sum is σ = 4914768. Its totient is φ = 2457380.

The previous prime is 3686071. The next prime is 3686083. The reversal of 3686073 is 3706863.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 3686073 - 21 = 3686071 is a prime.

It is a super-2 number, since 2×36860732 = 27174268322658, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3686071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 614343 + ... + 614348.

It is an arithmetic number, because the mean of its divisors is an integer number (1228692).

Almost surely, 23686073 is an apocalyptic number.

It is an amenable number.

3686073 is a deficient number, since it is larger than the sum of its proper divisors (1228695).

3686073 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 3686073 = (6837306)9.

3686073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228694.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3686073 is about 1919.9148418615. The cubic root of 3686073 is about 154.4737337654.

It can be divided in two parts, 368 and 6073, that added together give a triangular number (6441 = T113).

The spelling of 3686073 in words is "three million, six hundred eighty-six thousand, seventy-three".

Divisors: 1 3 1228691 3686073