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388984 = 2348623
BaseRepresentation
bin1011110111101111000
3201202120211
41132331320
544421414
612200504
73210031
oct1367570
9652524
10388984
11246282
12169134
1310808b
14a1a88
157a3c4
hex5ef78

388984 has 8 divisors (see below), whose sum is σ = 729360. Its totient is φ = 194488.

The previous prime is 388963. The next prime is 388991. The reversal of 388984 is 489883.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24304 + ... + 24319.

It is an arithmetic number, because the mean of its divisors is an integer number (91170).

2388984 is an apocalyptic number.

It is an amenable number.

388984 is a deficient number, since it is larger than the sum of its proper divisors (340376).

388984 is a wasteful number, since it uses less digits than its factorization.

388984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48629 (or 48625 counting only the distinct ones).

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

The square root of 388984 is about 623.6858183413. The cubic root of 388984 is about 72.9979357645.

The spelling of 388984 in words is "three hundred eighty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 48623 97246 194492 388984