Search a number
-
+
4142849 = 17379643
BaseRepresentation
bin1111110011011100000001
321210110220212
433303130001
52030032344
6224443505
750133164
oct17633401
97713825
104142849
11237a647
121479595
13b208b9
1479badb
1556c79e
hex3f3701

4142849 has 8 divisors (see below), whose sum is σ = 4404960. Its totient is φ = 3882816.

The previous prime is 4142813. The next prime is 4142857. The reversal of 4142849 is 9482414.

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

It is a cyclic number.

It is not a de Polignac number, because 4142849 - 212 = 4138753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142899) 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, 6122 + ... + 6764.

It is an arithmetic number, because the mean of its divisors is an integer number (550620).

Almost surely, 24142849 is an apocalyptic number.

It is an amenable number.

4142849 is a deficient number, since it is larger than the sum of its proper divisors (262111).

4142849 is a wasteful number, since it uses less digits than its factorization.

4142849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039.

The product of its digits is 9216, while the sum is 32.

The square root of 4142849 is about 2035.3989780876. The cubic root of 4142849 is about 160.6077019632.

Adding to 4142849 its sum of digits (32), we get a triangular number (4142881 = T2878).

The spelling of 4142849 in words is "four million, one hundred forty-two thousand, eight hundred forty-nine".

Divisors: 1 17 379 643 6443 10931 243697 4142849