Search a number
-
+
4102857 = 321141443
BaseRepresentation
bin1111101001101011001001
321201110001200
433221223021
52022242412
6223534413
746605453
oct17515311
97643050
104102857
1123525a0
12145a409
13b08635
1478b2d3
155609dc
hex3e9ac9

4102857 has 12 divisors (see below), whose sum is σ = 6465264. Its totient is φ = 2486520.

The previous prime is 4102853. The next prime is 4102867. The reversal of 4102857 is 7582014.

It is not a de Polignac number, because 4102857 - 22 = 4102853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4102857.

It is not an unprimeable number, because it can be changed into a prime (4102853) 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 11 ways as a sum of consecutive naturals, for example, 20623 + ... + 20820.

It is an arithmetic number, because the mean of its divisors is an integer number (538772).

Almost surely, 24102857 is an apocalyptic number.

It is an amenable number.

4102857 is a deficient number, since it is larger than the sum of its proper divisors (2362407).

4102857 is a wasteful number, since it uses less digits than its factorization.

4102857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41460 (or 41457 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4102857 is about 2025.5510361381. The cubic root of 4102857 is about 160.0892340779.

The spelling of 4102857 in words is "four million, one hundred two thousand, eight hundred fifty-seven".

Divisors: 1 3 9 11 33 99 41443 124329 372987 455873 1367619 4102857