Search a number
-
+
1352312018 = 2260032
BaseRepresentation
bin101000010011010…
…1010010011010010
310111020121120100022
41100212222103102
510232142441033
6342104423442
745340314431
oct12046522322
93436546308
101352312018
11634388042
12318a77b82
13187222835
14cb85b118
157dac5098
hex509aa4d2

1352312018 has 6 divisors (see below), whose sum is σ = 2028546039. Its totient is φ = 676130006.

The previous prime is 1352312011. The next prime is 1352312047. The reversal of 1352312018 is 8102132531.

It can be written as a sum of positive squares in only one way, i.e., 676156009 + 676156009 = 26003^2 + 26003^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=26003.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1352312011) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 39005 + ... + 65007.

Almost surely, 21352312018 is an apocalyptic number.

1352312018 is a deficient number, since it is larger than the sum of its proper divisors (676234021).

1352312018 is an frugal number, since it uses more digits than its factorization.

1352312018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52008 (or 26005 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1352312018 is about 36773.7952623876. The cubic root of 1352312018 is about 1105.8400191742.

Adding to 1352312018 its reverse (8102132531), we get a palindrome (9454444549).

The spelling of 1352312018 in words is "one billion, three hundred fifty-two million, three hundred twelve thousand, eighteen".

Divisors: 1 2 26003 52006 676156009 1352312018