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3229705 = 5645941
BaseRepresentation
bin1100010100100000001001
320002002022201
430110200021
51311322310
6153120201
736311023
oct14244011
96062281
103229705
111906586
1210b9061
1389108b
14601013
1543be3a
hex314809

3229705 has 4 divisors (see below), whose sum is σ = 3875652. Its totient is φ = 2583760.

The previous prime is 3229703. The next prime is 3229741. The reversal of 3229705 is 5079223.

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

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 2368521 = 928^2 + 1539^2 .

It is not a de Polignac number, because 3229705 - 21 = 3229703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3229703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322966 + ... + 322975.

It is an arithmetic number, because the mean of its divisors is an integer number (968913).

Almost surely, 23229705 is an apocalyptic number.

It is an amenable number.

3229705 is a deficient number, since it is larger than the sum of its proper divisors (645947).

3229705 is an equidigital number, since it uses as much as digits as its factorization.

3229705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645946.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3229705 is about 1797.1380024917. The cubic root of 3229705 is about 147.8158319136.

The spelling of 3229705 in words is "three million, two hundred twenty-nine thousand, seven hundred five".

Divisors: 1 5 645941 3229705