Search a number
-
+
3681333 = 321724061
BaseRepresentation
bin1110000010110000110101
320221000211200
432002300311
51420300313
6210523113
743201515
oct16026065
96830750
103681333
112094927
121296499
139bb806
146bb845
154cab73
hex382c35

3681333 has 12 divisors (see below), whose sum is σ = 5630508. Its totient is φ = 2309760.

The previous prime is 3681319. The next prime is 3681341. The reversal of 3681333 is 3331863.

It can be written as a sum of positive squares in 2 ways, for example, as 3392964 + 288369 = 1842^2 + 537^2 .

It is a de Polignac number, because none of the positive numbers 2k-3681333 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3681297 and 3681306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11878 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (469209).

Almost surely, 23681333 is an apocalyptic number.

It is an amenable number.

3681333 is a deficient number, since it is larger than the sum of its proper divisors (1949175).

3681333 is a wasteful number, since it uses less digits than its factorization.

3681333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24084 (or 24081 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3681333 is about 1918.6800150103. The cubic root of 3681333 is about 154.4074916721.

The spelling of 3681333 in words is "three million, six hundred eighty-one thousand, three hundred thirty-three".

Divisors: 1 3 9 17 51 153 24061 72183 216549 409037 1227111 3681333