Search a number
-
+
3881361 = 311117617
BaseRepresentation
bin1110110011100110010001
321022012020010
432303212101
51443200421
6215105133
744663631
oct16634621
97265203
103881361
112211140
1213721a9
13a5b883
147306c1
1551a076
hex3b3991

3881361 has 8 divisors (see below), whose sum is σ = 5645664. Its totient is φ = 2352320.

The previous prime is 3881359. The next prime is 3881363. The reversal of 3881361 is 1631883.

It is an interprime number because it is at equal distance from previous prime (3881359) and next prime (3881363).

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 3881361 - 21 = 3881359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3881363) 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, 58776 + ... + 58841.

It is an arithmetic number, because the mean of its divisors is an integer number (705708).

Almost surely, 23881361 is an apocalyptic number.

It is an amenable number.

3881361 is a deficient number, since it is larger than the sum of its proper divisors (1764303).

3881361 is a wasteful number, since it uses less digits than its factorization.

3881361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117631.

The product of its digits is 3456, while the sum is 30.

The square root of 3881361 is about 1970.1170016017. The cubic root of 3881361 is about 157.1549311069.

It can be divided in two parts, 3881 and 361, that multiplied together give a palindrome (1401041).

The spelling of 3881361 in words is "three million, eight hundred eighty-one thousand, three hundred sixty-one".

Divisors: 1 3 11 33 117617 352851 1293787 3881361