Search a number
-
+
1394393 = 721113199
BaseRepresentation
bin101010100011011011001
32121211202012
411110123121
5324110033
645515305
714565200
oct5243331
92554665
101394393
118726a0
12572b35
1339a8b0
14284237
151c8248
hex1546d9

1394393 has 24 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 997920.

The previous prime is 1394389. The next prime is 1394401. The reversal of 1394393 is 3934931.

It is not a de Polignac number, because 1394393 - 22 = 1394389 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1394383) 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 23 ways as a sum of consecutive naturals, for example, 6908 + ... + 7106.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

21394393 is an apocalyptic number.

1394393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1394393 is a deficient number, since it is larger than the sum of its proper divisors (520807).

1394393 is a wasteful number, since it uses less digits than its factorization.

1394393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 230 counting only the distinct ones).

The product of its digits is 8748, while the sum is 32.

The square root of 1394393 is about 1180.8441895525. The cubic root of 1394393 is about 111.7193494140.

The spelling of 1394393 in words is "one million, three hundred ninety-four thousand, three hundred ninety-three".

Divisors: 1 7 11 13 49 77 91 143 199 539 637 1001 1393 2189 2587 7007 9751 15323 18109 28457 107261 126763 199199 1394393