Search a number
-
+
3300921 = 321389317
BaseRepresentation
bin1100100101111000111001
320012201000100
430211320321
51321112141
6154430013
740025451
oct14457071
96181010
103300921
111955038
121132309
138b7610
1461cd61
154530b6
hex325e39

3300921 has 24 divisors (see below), whose sum is σ = 5208840. Its totient is φ = 2002176.

The previous prime is 3300917. The next prime is 3300923. The reversal of 3300921 is 1290033.

It can be written as a sum of positive squares in 4 ways, for example, as 189225 + 3111696 = 435^2 + 1764^2 .

It is not a de Polignac number, because 3300921 - 22 = 3300917 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3300894 and 3300903.

It is not an unprimeable number, because it can be changed into a prime (3300923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10255 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (217035).

Almost surely, 23300921 is an apocalyptic number.

It is an amenable number.

3300921 is a deficient number, since it is larger than the sum of its proper divisors (1907919).

3300921 is a wasteful number, since it uses less digits than its factorization.

3300921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3300921 is about 1816.8436916807. The cubic root of 3300921 is about 148.8944044102.

Adding to 3300921 its reverse (1290033), we get a palindrome (4590954).

The spelling of 3300921 in words is "three million, three hundred thousand, nine hundred twenty-one".

Divisors: 1 3 9 13 39 89 117 267 317 801 951 1157 2853 3471 4121 10413 12363 28213 37089 84639 253917 366769 1100307 3300921