Search a number
-
+
388328 = 2348541
BaseRepresentation
bin1011110110011101000
3201201200112
41132303220
544411303
612153452
73205103
oct1366350
9651615
10388328
11245836
12168888
131079a5
14a173a
157a0d8
hex5ece8

388328 has 8 divisors (see below), whose sum is σ = 728130. Its totient is φ = 194160.

The previous prime is 388319. The next prime is 388351. The reversal of 388328 is 823883.

388328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 1444 = 622^2 + 38^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 388294 and 388303.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388328.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24263 + ... + 24278.

2388328 is an apocalyptic number.

It is an amenable number.

388328 is a deficient number, since it is larger than the sum of its proper divisors (339802).

388328 is a wasteful number, since it uses less digits than its factorization.

388328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48547 (or 48543 counting only the distinct ones).

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

The square root of 388328 is about 623.1596906091. The cubic root of 388328 is about 72.9568770144.

The spelling of 388328 in words is "three hundred eighty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 48541 97082 194164 388328