Search a number
-
+
3443245 = 51352973
BaseRepresentation
bin1101001000101000101101
320110221020121
431020220231
51340140440
6201444541
741160421
oct15105055
96427217
103443245
111a41a63
1211a0751
13937330
14658b81
1548034a
hex348a2d

3443245 has 8 divisors (see below), whose sum is σ = 4449816. Its totient is φ = 2542656.

The previous prime is 3443243. The next prime is 3443317. The reversal of 3443245 is 5423443.

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 3031081 = 642^2 + 1741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3443245 - 21 = 3443243 is a prime.

It is a super-2 number, since 2×34432452 = 23711872260050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 37 + 43 + 49 + 311 + 2 + 410 + 59 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26422 + ... + 26551.

It is an arithmetic number, because the mean of its divisors is an integer number (556227).

Almost surely, 23443245 is an apocalyptic number.

It is an amenable number.

3443245 is a deficient number, since it is larger than the sum of its proper divisors (1006571).

3443245 is a wasteful number, since it uses less digits than its factorization.

3443245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52991.

The product of its digits is 5760, while the sum is 25.

The square root of 3443245 is about 1855.5982862678. The cubic root of 3443245 is about 151.0042979348.

Adding to 3443245 its reverse (5423443), we get a palindrome (8866688).

The spelling of 3443245 in words is "three million, four hundred forty-three thousand, two hundred forty-five".

Divisors: 1 5 13 65 52973 264865 688649 3443245