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387448 = 23192549
BaseRepresentation
bin1011110100101111000
3201200110221
41132211320
544344243
612145424
73202405
oct1364570
9650427
10387448
11245106
12168274
13107479
14a12ac
1579bed
hex5e978

387448 has 16 divisors (see below), whose sum is σ = 765000. Its totient is φ = 183456.

The previous prime is 387437. The next prime is 387449. The reversal of 387448 is 844783.

387448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387449) 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, 1123 + ... + 1426.

2387448 is an apocalyptic number.

387448 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

387448 is a deficient number, since it is larger than the sum of its proper divisors (377552).

387448 is a wasteful number, since it uses less digits than its factorization.

387448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2570 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 387448 is about 622.4532110930. The cubic root of 387448 is about 72.9017255192.

It can be divided in two parts, 38 and 7448, that multiplied together give a square (283024 = 5322).

The spelling of 387448 in words is "three hundred eighty-seven thousand, four hundred forty-eight".

Divisors: 1 2 4 8 19 38 76 152 2549 5098 10196 20392 48431 96862 193724 387448