Search a number
-
+
385818 = 2364303
BaseRepresentation
bin1011110001100011010
3201121020120
41132030122
544321233
612134110
73164556
oct1361432
9647216
10385818
11243964
12167336
131067c4
14a0866
15794b3
hex5e31a

385818 has 8 divisors (see below), whose sum is σ = 771648. Its totient is φ = 128604.

The previous prime is 385817. The next prime is 385831. The reversal of 385818 is 818583.

385818 is digitally balanced in base 3, 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.

385818 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32146 + ... + 32157.

It is an arithmetic number, because the mean of its divisors is an integer number (96456).

2385818 is an apocalyptic number.

385818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385818 is a wasteful number, since it uses less digits than its factorization.

385818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64308.

The product of its digits is 7680, while the sum is 33.

The square root of 385818 is about 621.1424957286. The cubic root of 385818 is about 72.7993489053.

The spelling of 385818 in words is "three hundred eighty-five thousand, eight hundred eighteen".

Divisors: 1 2 3 6 64303 128606 192909 385818