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388032 = 2634347
BaseRepresentation
bin1011110101111000000
3201201021120
41132233000
544404112
612152240
73204201
oct1365700
9651246
10388032
11245597
12168680
13107808
14a15a8
1579e8c
hex5ebc0

388032 has 56 divisors (see below), whose sum is σ = 1072896. Its totient is φ = 123648.

The previous prime is 388009. The next prime is 388051. The reversal of 388032 is 230883.

388032 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).

It is a junction number, because it is equal to n+sod(n) for n = 387993 and 388011.

It is a congruent number.

It is an unprimeable number.

388032 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 7 ways as a sum of consecutive naturals, for example, 8233 + ... + 8279.

2388032 is an apocalyptic number.

388032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536448).

388032 is an abundant number, since it is smaller than the sum of its proper divisors (684864).

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

388032 is a wasteful number, since it uses less digits than its factorization.

388032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 388032 is about 622.9221460183. The cubic root of 388032 is about 72.9383353650.

The spelling of 388032 in words is "three hundred eighty-eight thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 47 48 64 86 94 96 129 141 172 188 192 258 282 344 376 516 564 688 752 1032 1128 1376 1504 2021 2064 2256 2752 3008 4042 4128 4512 6063 8084 8256 9024 12126 16168 24252 32336 48504 64672 97008 129344 194016 388032