Search a number
-
+
3863431 = 111327017
BaseRepresentation
bin1110101111001110000111
321021021122001
432233032013
51442112211
6214450131
744560435
oct16571607
97237561
103863431
1121a9720
121363947
13a53670
14727d55
15514ac1
hex3af387

3863431 has 8 divisors (see below), whose sum is σ = 4539024. Its totient is φ = 3241920.

The previous prime is 3863423. The next prime is 3863443. The reversal of 3863431 is 1343683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3863431 - 23 = 3863423 is a prime.

It is a super-2 number, since 2×38634312 = 29852198183522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3863431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863411) 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, 13366 + ... + 13651.

It is an arithmetic number, because the mean of its divisors is an integer number (567378).

Almost surely, 23863431 is an apocalyptic number.

3863431 is a deficient number, since it is larger than the sum of its proper divisors (675593).

3863431 is a wasteful number, since it uses less digits than its factorization.

3863431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27041.

The product of its digits is 5184, while the sum is 28.

The square root of 3863431 is about 1965.5612430041. The cubic root of 3863431 is about 156.9125644026.

The spelling of 3863431 in words is "three million, eight hundred sixty-three thousand, four hundred thirty-one".

Divisors: 1 11 13 143 27017 297187 351221 3863431