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3681343 = 31149797
BaseRepresentation
bin1110000010110000111111
320221000212001
432002300333
51420300333
6210523131
743201531
oct16026077
96830761
103681343
112094936
1212964a7
139bb813
146bb851
154cab7d
hex382c3f

3681343 has 8 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 3534240.

The previous prime is 3681341. The next prime is 3681371. The reversal of 3681343 is 3431863.

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

It is a cyclic number.

It is not a de Polignac number, because 3681343 - 21 = 3681341 is a prime.

It is a Duffinian number.

3681343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (478800).

Almost surely, 23681343 is an apocalyptic number.

3681343 is a deficient number, since it is larger than the sum of its proper divisors (149057).

3681343 is a wasteful number, since it uses less digits than its factorization.

3681343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977.

The product of its digits is 5184, while the sum is 28.

The square root of 3681343 is about 1918.6826209668. The cubic root of 3681343 is about 154.4076314832.

It can be divided in two parts, 36813 and 43, that added together give a triangular number (36856 = T271).

The spelling of 3681343 in words is "three million, six hundred eighty-one thousand, three hundred forty-three".

Divisors: 1 31 149 797 4619 24707 118753 3681343