Search a number
-
+
386424 = 23331789
BaseRepresentation
bin1011110010101111000
3201122002000
41132111320
544331144
612141000
73166413
oct1362570
9648060
10386424
11244365
12167760
13106b6c
14a0b7a
1579769
hex5e578

386424 has 32 divisors (see below), whose sum is σ = 1074000. Its totient is φ = 128736.

The previous prime is 386413. The next prime is 386429. The reversal of 386424 is 424683.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386429) 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, 679 + ... + 1110.

2386424 is an apocalyptic number.

It is an amenable number.

386424 is an abundant number, since it is smaller than the sum of its proper divisors (687576).

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

386424 is a wasteful number, since it uses less digits than its factorization.

386424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1794 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 386424 is about 621.6301151006. The cubic root of 386424 is about 72.8374440071.

The spelling of 386424 in words is "three hundred eighty-six thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1789 3578 5367 7156 10734 14312 16101 21468 32202 42936 48303 64404 96606 128808 193212 386424