Search a number
-
+
1385329 = 1121072
BaseRepresentation
bin101010010001101110001
32121101022111
411102031301
5323312304
645405321
714526601
oct5221561
92541274
101385329
11866900
12569841
1339672a
14280c01
151c5704
hex152371

1385329 has 9 divisors (see below), whose sum is σ = 1537081. Its totient is φ = 1247620.

The previous prime is 1385327. The next prime is 1385333. The reversal of 1385329 is 9235831.

It is a happy number.

The square root of 1385329 is 1177.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1385329 - 21 = 1385327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385329.

It is not an unprimeable number, because it can be changed into a prime (1385327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12894 + ... + 13000.

21385329 is an apocalyptic number.

1385329 is the 1177-th square number.

1385329 is the 589-th centered octagonal number.

It is an amenable number.

1385329 is a deficient number, since it is larger than the sum of its proper divisors (151752).

1385329 is an equidigital number, since it uses as much as digits as its factorization.

1385329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 118 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The cubic root of 1385329 is about 111.4767525115.

The spelling of 1385329 in words is "one million, three hundred eighty-five thousand, three hundred twenty-nine".

Divisors: 1 11 107 121 1177 11449 12947 125939 1385329