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3245641 = 7463663
BaseRepresentation
bin1100011000011001001001
320002220011221
430120121021
51312330031
6153322041
736405340
oct14303111
96086157
103245641
111917553
121106321
138983c9
14606b57
15441a11
hex318649

3245641 has 4 divisors (see below), whose sum is σ = 3709312. Its totient is φ = 2781972.

The previous prime is 3245611. The next prime is 3245659. The reversal of 3245641 is 1465423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3245641 - 221 = 1148489 is a prime.

It is a d-powerful number, because it can be written as 311 + 25 + 49 + 57 + 68 + 410 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3245611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231825 + ... + 231838.

It is an arithmetic number, because the mean of its divisors is an integer number (927328).

Almost surely, 23245641 is an apocalyptic number.

It is an amenable number.

3245641 is a deficient number, since it is larger than the sum of its proper divisors (463671).

3245641 is an equidigital number, since it uses as much as digits as its factorization.

3245641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463670.

The product of its digits is 2880, while the sum is 25.

The square root of 3245641 is about 1801.5662630056. The cubic root of 3245641 is about 148.0585506101.

The spelling of 3245641 in words is "three million, two hundred forty-five thousand, six hundred forty-one".

Divisors: 1 7 463663 3245641