Search a number
-
+
384135 = 3525609
BaseRepresentation
bin1011101110010000111
3201111221020
41131302013
544243020
612122223
73156633
oct1356207
9644836
10384135
11242674
12166373
13105acb
149ddc3
1578c40
hex5dc87

384135 has 8 divisors (see below), whose sum is σ = 614640. Its totient is φ = 204864.

The previous prime is 384133. The next prime is 384143. The reversal of 384135 is 531483.

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

It is not a de Polignac number, because 384135 - 21 = 384133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384133) 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, 12790 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (76830).

2384135 is an apocalyptic number.

384135 is a deficient number, since it is larger than the sum of its proper divisors (230505).

384135 is a wasteful number, since it uses less digits than its factorization.

384135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25617.

The product of its digits is 1440, while the sum is 24.

The square root of 384135 is about 619.7862534778. The cubic root of 384135 is about 72.6933404681.

It can be divided in two parts, 3 and 84135, that multiplied together give a triangular number (252405 = T710).

The spelling of 384135 in words is "three hundred eighty-four thousand, one hundred thirty-five".

Divisors: 1 3 5 15 25609 76827 128045 384135