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3885243 = 31295081
BaseRepresentation
bin1110110100100010111011
321022101112220
432310202323
51443311433
6215135123
745011145
oct16644273
97271486
103885243
11221404a
1213744a3
13a6057b
14731c95
1551b2b3
hex3b48bb

3885243 has 4 divisors (see below), whose sum is σ = 5180328. Its totient is φ = 2590160.

The previous prime is 3885241. The next prime is 3885247. The reversal of 3885243 is 3425883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3885243 - 21 = 3885241 is a prime.

It is a super-2 number, since 2×38852432 = 30190226338098, which contains 22 as substring.

It is a d-powerful number, because it can be written as 37 + 85 + 87 + 55 + 219 + 410 + 311 .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3885241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647538 + ... + 647543.

It is an arithmetic number, because the mean of its divisors is an integer number (1295082).

Almost surely, 23885243 is an apocalyptic number.

3885243 is a deficient number, since it is larger than the sum of its proper divisors (1295085).

3885243 is a wasteful number, since it uses less digits than its factorization.

3885243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295084.

The product of its digits is 23040, while the sum is 33.

The square root of 3885243 is about 1971.1019760530. The cubic root of 3885243 is about 157.2073072505.

The spelling of 3885243 in words is "three million, eight hundred eighty-five thousand, two hundred forty-three".

Divisors: 1 3 1295081 3885243