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387238 = 2193619
BaseRepresentation
bin1011110100010100110
3201200012011
41132202212
544342423
612144434
73201655
oct1364246
9650164
10387238
11244a35
1216811a
13107347
14a119c
1579b0d
hex5e8a6

387238 has 4 divisors (see below), whose sum is σ = 580860. Its totient is φ = 193618.

The previous prime is 387227. The next prime is 387253. The reversal of 387238 is 832783.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96808 + ... + 96811.

It is an arithmetic number, because the mean of its divisors is an integer number (145215).

2387238 is an apocalyptic number.

387238 is a deficient number, since it is larger than the sum of its proper divisors (193622).

387238 is a wasteful number, since it uses less digits than its factorization.

387238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193621.

The product of its digits is 8064, while the sum is 31.

The square root of 387238 is about 622.2845008515. The cubic root of 387238 is about 72.8885520274. Note that the first 3 decimals are identical.

It can be divided in two parts, 387 and 238, that added together give a 4-th power (625 = 54).

The spelling of 387238 in words is "three hundred eighty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 193619 387238