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388498 = 21117659
BaseRepresentation
bin1011110110110010010
3201201220211
41132312102
544412443
612154334
73205435
oct1366622
9651824
10388498
11245980
121689aa
13107aa6
14a181c
157a19d
hex5ed92

388498 has 8 divisors (see below), whose sum is σ = 635760. Its totient is φ = 176580.

The previous prime is 388489. The next prime is 388499. The reversal of 388498 is 894883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 310 + 82 + 49 + 84 + 95 + 84 .

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 388498.

It is not an unprimeable number, because it can be changed into a prime (388499) 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, 8808 + ... + 8851.

It is an arithmetic number, because the mean of its divisors is an integer number (79470).

2388498 is an apocalyptic number.

388498 is a deficient number, since it is larger than the sum of its proper divisors (247262).

388498 is a wasteful number, since it uses less digits than its factorization.

388498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17672.

The product of its digits is 55296, while the sum is 40.

The square root of 388498 is about 623.2960773180. The cubic root of 388498 is about 72.9675216754.

The spelling of 388498 in words is "three hundred eighty-eight thousand, four hundred ninety-eight".

Divisors: 1 2 11 22 17659 35318 194249 388498