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3888141 = 31968213
BaseRepresentation
bin1110110101010000001101
321022112112020
432311100031
51443410031
6215200353
745022455
oct16652015
97275466
103888141
112216244
1213760b9
13a6199a
14732d65
1551c096
hex3b540d

3888141 has 8 divisors (see below), whose sum is σ = 5457120. Its totient is φ = 2455632.

The previous prime is 3888107. The next prime is 3888149. The reversal of 3888141 is 1418883.

It is a happy number.

3888141 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 3888141 - 27 = 3888013 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888149) 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, 34050 + ... + 34163.

It is an arithmetic number, because the mean of its divisors is an integer number (682140).

Almost surely, 23888141 is an apocalyptic number.

It is an amenable number.

3888141 is a deficient number, since it is larger than the sum of its proper divisors (1568979).

3888141 is a wasteful number, since it uses less digits than its factorization.

3888141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68235.

The product of its digits is 6144, while the sum is 33.

The square root of 3888141 is about 1971.8369608058. The cubic root of 3888141 is about 157.2463844759.

The spelling of 3888141 in words is "three million, eight hundred eighty-eight thousand, one hundred forty-one".

Divisors: 1 3 19 57 68213 204639 1296047 3888141