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3887493 = 33141801
BaseRepresentation
bin1110110101000110000101
321022111122020
432311012011
51443344433
6215153353
745020541
oct16650605
97274566
103887493
112215805
121375859
13a615bc
14732a21
1551bcb3
hex3b5185

3887493 has 8 divisors (see below), whose sum is σ = 5350656. Its totient is φ = 2508000.

The previous prime is 3887491. The next prime is 3887503. The reversal of 3887493 is 3947883.

3887493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3887493 - 21 = 3887491 is a prime.

It is a super-2 number, since 2×38874932 = 30225203650098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887491) 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 7 ways as a sum of consecutive naturals, for example, 20808 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (668832).

Almost surely, 23887493 is an apocalyptic number.

It is an amenable number.

3887493 is a deficient number, since it is larger than the sum of its proper divisors (1463163).

3887493 is a wasteful number, since it uses less digits than its factorization.

3887493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41835.

The product of its digits is 145152, while the sum is 42.

The square root of 3887493 is about 1971.6726401713. The cubic root of 3887493 is about 157.2376483972.

The spelling of 3887493 in words is "three million, eight hundred eighty-seven thousand, four hundred ninety-three".

Divisors: 1 3 31 93 41801 125403 1295831 3887493