Search a number
-
+
3355945 = 5671189
BaseRepresentation
bin1100110011010100101001
320022111111021
430303110221
51324342240
6155532441
740345045
oct14632451
96274437
103355945
11199240a
12115a121
13906688
14635025
1546454a
hex333529

3355945 has 4 divisors (see below), whose sum is σ = 4027140. Its totient is φ = 2684752.

The previous prime is 3355901. The next prime is 3355949. The reversal of 3355945 is 5495533.

It is a happy number.

3355945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5495533 = 18612953.

It can be written as a sum of positive squares in 2 ways, for example, as 1857769 + 1498176 = 1363^2 + 1224^2 .

It is a cyclic number.

It is not a de Polignac number, because 3355945 - 213 = 3347753 is a prime.

It is a super-2 number, since 2×33559452 = 22524733686050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3355945.

It is not an unprimeable number, because it can be changed into a prime (3355949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335590 + ... + 335599.

It is an arithmetic number, because the mean of its divisors is an integer number (1006785).

Almost surely, 23355945 is an apocalyptic number.

It is an amenable number.

3355945 is a deficient number, since it is larger than the sum of its proper divisors (671195).

3355945 is an equidigital number, since it uses as much as digits as its factorization.

3355945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671194.

The product of its digits is 40500, while the sum is 34.

The square root of 3355945 is about 1831.9238521292. The cubic root of 3355945 is about 149.7171707563.

The spelling of 3355945 in words is "three million, three hundred fifty-five thousand, nine hundred forty-five".

Divisors: 1 5 671189 3355945