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3204681 = 33728871
BaseRepresentation
bin1100001110011001001001
320000210222220
430032121021
51310022211
6152404253
736145044
oct14163111
96023886
103204681
1118997a7
1210a6689
1388287c
145d5c5b
15434806
hex30e649

3204681 has 8 divisors (see below), whose sum is σ = 4388544. Its totient is φ = 2078640.

The previous prime is 3204679. The next prime is 3204689. The reversal of 3204681 is 1864023.

It is a happy number.

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

It is not a de Polignac number, because 3204681 - 21 = 3204679 is a prime.

It is a super-2 number, since 2×32046812 = 20539960623522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204689) 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, 14325 + ... + 14546.

It is an arithmetic number, because the mean of its divisors is an integer number (548568).

Almost surely, 23204681 is an apocalyptic number.

It is an amenable number.

3204681 is a deficient number, since it is larger than the sum of its proper divisors (1183863).

3204681 is a wasteful number, since it uses less digits than its factorization.

3204681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28911.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3204681 is about 1790.1622831464. The cubic root of 3204681 is about 147.4330789021.

The spelling of 3204681 in words is "three million, two hundred four thousand, six hundred eighty-one".

Divisors: 1 3 37 111 28871 86613 1068227 3204681