Search a number
-
+
392944 = 2441599
BaseRepresentation
bin1011111111011110000
3201222000111
41133323300
5100033234
612231104
73224416
oct1377360
9658014
10392944
11249252
1216b494
13109b16
14a32b6
157b664
hex5fef0

392944 has 20 divisors (see below), whose sum is σ = 781200. Its totient is φ = 191360.

The previous prime is 392929. The next prime is 392957. The reversal of 392944 is 449293.

392944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (7776) is a multiple of the sum of its prime factors (648).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2392944 is an apocalyptic number.

It is an amenable number.

392944 is a deficient number, since it is larger than the sum of its proper divisors (388256).

392944 is a wasteful number, since it uses less digits than its factorization.

392944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 642 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 392944 is about 626.8524547292. The cubic root of 392944 is about 73.2448151424.

The spelling of 392944 in words is "three hundred ninety-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 41 82 164 328 599 656 1198 2396 4792 9584 24559 49118 98236 196472 392944