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3445641 = 321732213
BaseRepresentation
bin1101001001001110001001
320111001112100
431021032021
51340230031
6201504013
741200413
oct15111611
96431470
103445641
111a43841
1211a2009
13938454
146599b3
15480de6
hex349389

3445641 has 12 divisors (see below), whose sum is σ = 5008068. Its totient is φ = 2282784.

The previous prime is 3445639. The next prime is 3445643. The reversal of 3445641 is 1465443.

It is an interprime number because it is at equal distance from previous prime (3445639) and next prime (3445643).

It can be written as a sum of positive squares in 2 ways, for example, as 3316041 + 129600 = 1821^2 + 360^2 .

It is not a de Polignac number, because 3445641 - 21 = 3445639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3445643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (417339).

Almost surely, 23445641 is an apocalyptic number.

It is an amenable number.

3445641 is a deficient number, since it is larger than the sum of its proper divisors (1562427).

3445641 is a wasteful number, since it uses less digits than its factorization.

3445641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2389 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 3445641 is about 1856.2437878684. The cubic root of 3445641 is about 151.0393155232.

The spelling of 3445641 in words is "three million, four hundred forty-five thousand, six hundred forty-one".

Divisors: 1 3 9 173 519 1557 2213 6639 19917 382849 1148547 3445641