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387232 = 2512101
BaseRepresentation
bin1011110100010100000
3201200011221
41132202200
544342412
612144424
73201646
oct1364240
9650157
10387232
11244a2a
12168114
13107341
14a1196
1579b07
hex5e8a0

387232 has 12 divisors (see below), whose sum is σ = 762426. Its totient is φ = 193600.

The previous prime is 387227. The next prime is 387253. The reversal of 387232 is 232783.

It is a happy number.

387232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 190096 = 444^2 + 436^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 387197 and 387206.

It is an unprimeable number.

387232 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, 6019 + ... + 6082.

2387232 is an apocalyptic number.

387232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

387232 is a deficient number, since it is larger than the sum of its proper divisors (375194).

387232 is a wasteful number, since it uses less digits than its factorization.

387232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111 (or 12103 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 387232 is about 622.2796798868. The cubic root of 387232 is about 72.8881755719. Note that the first 3 decimals are identical.

Subtracting from 387232 its reverse (232783), we obtain a square (154449 = 3932).

It can be divided in two parts, 3872 and 32, that multiplied together give a square (123904 = 3522).

The spelling of 387232 in words is "three hundred eighty-seven thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 12101 24202 48404 96808 193616 387232