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388329 = 3129443
BaseRepresentation
bin1011110110011101001
3201201200120
41132303221
544411304
612153453
73205104
oct1366351
9651616
10388329
11245837
12168889
131079a6
14a173b
157a0d9
hex5ece9

388329 has 4 divisors (see below), whose sum is σ = 517776. Its totient is φ = 258884.

The previous prime is 388319. The next prime is 388351. The reversal of 388329 is 923883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 388329 - 24 = 388313 is a prime.

It is a D-number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 388329.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388329.

It is not an unprimeable number, because it can be changed into a prime (388319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64719 + ... + 64724.

It is an arithmetic number, because the mean of its divisors is an integer number (129444).

2388329 is an apocalyptic number.

It is an amenable number.

388329 is a deficient number, since it is larger than the sum of its proper divisors (129447).

388329 is a wasteful number, since it uses less digits than its factorization.

388329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129446.

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

The square root of 388329 is about 623.1604929711. The cubic root of 388329 is about 72.9569396392.

It can be divided in two parts, 388 and 329, that added together give a palindrome (717).

The spelling of 388329 in words is "three hundred eighty-eight thousand, three hundred twenty-nine".

Divisors: 1 3 129443 388329