Search a number
-
+
3845313 = 34291637
BaseRepresentation
bin1110101010110011000001
321020100210000
432222303001
51441022223
6214230213
744453553
oct16526301
97210700
103845313
11219704a
121355369
13a48344
147214d3
1550e543
hex3aacc1

3845313 has 20 divisors (see below), whose sum is σ = 5945940. Its totient is φ = 2473632.

The previous prime is 3845311. The next prime is 3845321. The reversal of 3845313 is 3135483.

It is a happy number.

3845313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 2985984 = 927^2 + 1728^2 .

It is not a de Polignac number, because 3845313 - 21 = 3845311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3845311) 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 19 ways as a sum of consecutive naturals, for example, 1531 + ... + 3167.

It is an arithmetic number, because the mean of its divisors is an integer number (297297).

Almost surely, 23845313 is an apocalyptic number.

It is an amenable number.

3845313 is a deficient number, since it is larger than the sum of its proper divisors (2100627).

3845313 is a wasteful number, since it uses less digits than its factorization.

3845313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1669 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3845313 is about 1960.9469651166. The cubic root of 3845313 is about 156.6668935161. Note that the first 3 decimals are identical.

The spelling of 3845313 in words is "three million, eight hundred forty-five thousand, three hundred thirteen".

Divisors: 1 3 9 27 29 81 87 261 783 1637 2349 4911 14733 44199 47473 132597 142419 427257 1281771 3845313