Search a number
-
+
3668287 = 72431741
BaseRepresentation
bin1101111111100100111111
320220100221111
431333210333
51414341122
6210342451
743115500
oct15774477
96810844
103668287
112086047
12128aa27
139b58ac
146b6ba7
154c6d77
hex37f93f

3668287 has 12 divisors (see below), whose sum is σ = 4368936. Its totient is φ = 3069360.

The previous prime is 3668279. The next prime is 3668299. The reversal of 3668287 is 7828663.

It is a happy number.

It is not a de Polignac number, because 3668287 - 23 = 3668279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (364078).

Almost surely, 23668287 is an apocalyptic number.

3668287 is a deficient number, since it is larger than the sum of its proper divisors (700649).

3668287 is a wasteful number, since it uses less digits than its factorization.

3668287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1791 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 3668287 is about 1915.2772645233. The cubic root of 3668287 is about 154.2248780741.

The spelling of 3668287 in words is "three million, six hundred sixty-eight thousand, two hundred eighty-seven".

Divisors: 1 7 43 49 301 1741 2107 12187 74863 85309 524041 3668287