Search a number
-
+
1396449 = 32155161
BaseRepresentation
bin101010100111011100001
32121221120100
411110323201
5324141244
645533013
714604165
oct5247341
92557510
101396449
1187419a
12574169
1339b802
14284ca5
151c8b69
hex154ee1

1396449 has 6 divisors (see below), whose sum is σ = 2017106. Its totient is φ = 930960.

The previous prime is 1396433. The next prime is 1396453. The reversal of 1396449 is 9446931.

1396449 is a `hidden beast` number, since 1 + 3 + 9 + 644 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1306449 + 90000 = 1143^2 + 300^2 .

It is not a de Polignac number, because 1396449 - 24 = 1396433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396429) 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 5 ways as a sum of consecutive naturals, for example, 77572 + ... + 77589.

21396449 is an apocalyptic number.

It is an amenable number.

1396449 is a deficient number, since it is larger than the sum of its proper divisors (620657).

1396449 is a wasteful number, since it uses less digits than its factorization.

1396449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155167 (or 155164 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1396449 is about 1181.7144325090. The cubic root of 1396449 is about 111.7742316415.

The spelling of 1396449 in words is "one million, three hundred ninety-six thousand, four hundred forty-nine".

Divisors: 1 3 9 155161 465483 1396449