Search a number
-
+
3873385 = 52926713
BaseRepresentation
bin1110110001101001101001
321021210021201
432301221221
51442422020
6215004201
744631445
oct16615151
97253251
103873385
11220614a
121369661
13a58059
1472b825
15517a0a
hex3b1a69

3873385 has 8 divisors (see below), whose sum is σ = 4808520. Its totient is φ = 2991744.

The previous prime is 3873383. The next prime is 3873391. The reversal of 3873385 is 5833783.

It can be written as a sum of positive squares in 4 ways, for example, as 1430416 + 2442969 = 1196^2 + 1563^2 .

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 3873385 - 21 = 3873383 is a prime.

It is a super-2 number, since 2×38733852 = 30006222716450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3873383) 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, 13212 + ... + 13501.

It is an arithmetic number, because the mean of its divisors is an integer number (601065).

Almost surely, 23873385 is an apocalyptic number.

It is an amenable number.

3873385 is a deficient number, since it is larger than the sum of its proper divisors (935135).

3873385 is a wasteful number, since it uses less digits than its factorization.

3873385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26747.

The product of its digits is 60480, while the sum is 37.

The square root of 3873385 is about 1968.0917153426. The cubic root of 3873385 is about 157.0472088143.

The spelling of 3873385 in words is "three million, eight hundred seventy-three thousand, three hundred eighty-five".

Divisors: 1 5 29 145 26713 133565 774677 3873385