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387104 = 2512097
BaseRepresentation
bin1011110100000100000
3201200000012
41132200200
544341404
612144052
73201404
oct1364040
9650005
10387104
11244923
12168028
13107273
14a1104
1579a6e
hex5e820

387104 has 12 divisors (see below), whose sum is σ = 762174. Its totient is φ = 193536.

The previous prime is 387089. The next prime is 387109. The reversal of 387104 is 401783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 2704 = 620^2 + 52^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 387104.

It is not an unprimeable number, because it can be changed into a prime (387109) by changing a digit.

387104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6017 + ... + 6080.

2387104 is an apocalyptic number.

It is an amenable number.

387104 is a deficient number, since it is larger than the sum of its proper divisors (375070).

387104 is a wasteful number, since it uses less digits than its factorization.

387104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107 (or 12099 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 387104 is about 622.1768237406. The cubic root of 387104 is about 72.8801435957.

Adding to 387104 its reverse (401783), we get a palindrome (788887).

The spelling of 387104 in words is "three hundred eighty-seven thousand, one hundred four".

Divisors: 1 2 4 8 16 32 12097 24194 48388 96776 193552 387104