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3405331 = 4317901
BaseRepresentation
bin1100111111011000010011
320102000020101
430333120103
51332432311
6200553231
740642036
oct14773023
96360211
103405331
111a16526
121182817
13922cb7
1464901d
15473ec1
hex33f613

3405331 has 4 divisors (see below), whose sum is σ = 3413664. Its totient is φ = 3397000.

The previous prime is 3405301. The next prime is 3405359. The reversal of 3405331 is 1335043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3405331 - 213 = 3397139 is a prime.

It is a super-3 number, since 3×34053313 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3405299 and 3405308.

It is not an unprimeable number, because it can be changed into a prime (3405301) 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, 3520 + ... + 4381.

It is an arithmetic number, because the mean of its divisors is an integer number (853416).

Almost surely, 23405331 is an apocalyptic number.

3405331 is a deficient number, since it is larger than the sum of its proper divisors (8333).

3405331 is an equidigital number, since it uses as much as digits as its factorization.

3405331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 3405331 is about 1845.3538955983. The cubic root of 3405331 is about 150.4480087371.

It can be divided in two parts, 340 and 5331, that added together give a triangular number (5671 = T106).

The spelling of 3405331 in words is "three million, four hundred five thousand, three hundred thirty-one".

Divisors: 1 431 7901 3405331