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387248 = 2424203
BaseRepresentation
bin1011110100010110000
3201200012112
41132202300
544342443
612144452
73202001
oct1364260
9650175
10387248
11244a44
12168128
13107354
14a11a8
1579b18
hex5e8b0

387248 has 10 divisors (see below), whose sum is σ = 750324. Its totient is φ = 193616.

The previous prime is 387227. The next prime is 387253. The reversal of 387248 is 842783.

387248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3872482 = 299922027008, which contains 22 as substring.

It is a d-powerful number, because it can be written as 310 + 83 + 215 + 7 + 49 + 85 .

It is an unprimeable number.

387248 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 as a sum of consecutive naturals, namely, 12086 + ... + 12117.

2387248 is an apocalyptic number.

It is an amenable number.

387248 is a deficient number, since it is larger than the sum of its proper divisors (363076).

387248 is a wasteful number, since it uses less digits than its factorization.

387248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24211 (or 24205 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 387248 is about 622.2925357097. The cubic root of 387248 is about 72.8891794445.

Subtracting 387248 from its reverse (842783), we obtain a triangular number (455535 = T954).

The spelling of 387248 in words is "three hundred eighty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 24203 48406 96812 193624 387248