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388932 = 22332411
BaseRepresentation
bin1011110111101000100
3201202111220
41132331010
544421212
612200340
73206625
oct1367504
9652456
10388932
11246235
121690b0
1310804b
14a1a4c
157a38c
hex5ef44

388932 has 12 divisors (see below), whose sum is σ = 907536. Its totient is φ = 129640.

The previous prime is 388931. The next prime is 388933. The reversal of 388932 is 239883.

It is an interprime number because it is at equal distance from previous prime (388931) and next prime (388933).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 388893 and 388902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388932.

It is not an unprimeable number, because it can be changed into a prime (388931) 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 3 ways as a sum of consecutive naturals, for example, 16194 + ... + 16217.

It is an arithmetic number, because the mean of its divisors is an integer number (75628).

2388932 is an apocalyptic number.

It is an amenable number.

388932 is an abundant number, since it is smaller than the sum of its proper divisors (518604).

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

388932 is a wasteful number, since it uses less digits than its factorization.

388932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32418 (or 32416 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 388932 is about 623.6441292917. The cubic root of 388932 is about 72.9946827928.

The spelling of 388932 in words is "three hundred eighty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 32411 64822 97233 129644 194466 388932