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3243425 = 52129737
BaseRepresentation
bin1100010111110110100001
320002210010212
430113312201
51312242200
6153303505
736366023
oct14276641
96083125
103243425
111915919
121104b95
138973b3
14606013
15441035
hex317da1

3243425 has 6 divisors (see below), whose sum is σ = 4021878. Its totient is φ = 2594720.

The previous prime is 3243397. The next prime is 3243467. The reversal of 3243425 is 5243423.

It can be written as a sum of positive squares in 3 ways, for example, as 312481 + 2930944 = 559^2 + 1712^2 .

It is not a de Polignac number, because 3243425 - 28 = 3243169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3243425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64844 + ... + 64893.

It is an arithmetic number, because the mean of its divisors is an integer number (670313).

Almost surely, 23243425 is an apocalyptic number.

It is an amenable number.

3243425 is a deficient number, since it is larger than the sum of its proper divisors (778453).

3243425 is a wasteful number, since it uses less digits than its factorization.

3243425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129747 (or 129742 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 3243425 is about 1800.9511375937. The cubic root of 3243425 is about 148.0248466928.

Adding to 3243425 its reverse (5243423), we get a palindrome (8486848).

The spelling of 3243425 in words is "three million, two hundred forty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 129737 648685 3243425