Search a number
-
+
385512 = 23316063
BaseRepresentation
bin1011110000111101000
3201120211020
41132013220
544314022
612132440
73163641
oct1360750
9646736
10385512
11243706
12167120
1310661a
14a06c8
157935c
hex5e1e8

385512 has 16 divisors (see below), whose sum is σ = 963840. Its totient is φ = 128496.

The previous prime is 385501. The next prime is 385519. The reversal of 385512 is 215583.

385512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 16063 = 385512 / (3 + 8 + 5 + 5 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (385519) by changing a digit.

385512 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8008 + ... + 8055.

It is an arithmetic number, because the mean of its divisors is an integer number (60240).

2385512 is an apocalyptic number.

It is an amenable number.

385512 is an abundant number, since it is smaller than the sum of its proper divisors (578328).

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

385512 is a wasteful number, since it uses less digits than its factorization.

385512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16072 (or 16068 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 385512 is about 620.8961265784. The cubic root of 385512 is about 72.7800976066.

The spelling of 385512 in words is "three hundred eighty-five thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 16063 32126 48189 64252 96378 128504 192756 385512