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3405727 = 13534943
BaseRepresentation
bin1100111111011110011111
320102000210001
430333132133
51332440402
6200555131
740643143
oct14773637
96360701
103405727
111a16856
121182aa7
13923230
14649223
15474187
hex33f79f

3405727 has 8 divisors (see below), whose sum is σ = 3737664. Its totient is φ = 3083808.

The previous prime is 3405713. The next prime is 3405737. The reversal of 3405727 is 7275043.

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

It is a de Polignac number, because none of the positive numbers 2k-3405727 is a prime.

It is a Duffinian number.

3405727 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3405695 and 3405704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783 + ... + 3160.

It is an arithmetic number, because the mean of its divisors is an integer number (467208).

Almost surely, 23405727 is an apocalyptic number.

3405727 is a deficient number, since it is larger than the sum of its proper divisors (331937).

3405727 is a wasteful number, since it uses less digits than its factorization.

3405727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3405727 is about 1845.4611889715. The cubic root of 3405727 is about 150.4538402899.

The spelling of 3405727 in words is "three million, four hundred five thousand, seven hundred twenty-seven".

Divisors: 1 13 53 689 4943 64259 261979 3405727