Search a number
-
+
1379502536 = 231710143401
BaseRepresentation
bin101001000111001…
…1000100111001000
310120010202222201112
41102032120213020
510311123040121
6344515305452
746120402166
oct12216304710
93503688645
101379502536
11648769745
12325bab288
1318ca52ab9
14d12d8236
158119675b
hex523989c8

1379502536 has 16 divisors (see below), whose sum is σ = 2738718540. Its totient is φ = 649177600.

The previous prime is 1379502521. The next prime is 1379502539. The reversal of 1379502536 is 6352059731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1374184900 + 5317636 = 37070^2 + 2306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1379502493 and 1379502502.

It is not an unprimeable number, because it can be changed into a prime (1379502539) 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 3 ways as a sum of consecutive naturals, for example, 5071565 + ... + 5071836.

Almost surely, 21379502536 is an apocalyptic number.

It is an amenable number.

1379502536 is a deficient number, since it is larger than the sum of its proper divisors (1359216004).

1379502536 is a wasteful number, since it uses less digits than its factorization.

1379502536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143424 (or 10143420 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 1379502536 is about 37141.6549981284. The cubic root of 1379502536 is about 1113.2024865249.

The spelling of 1379502536 in words is "one billion, three hundred seventy-nine million, five hundred two thousand, five hundred thirty-six".

Divisors: 1 2 4 8 17 34 68 136 10143401 20286802 40573604 81147208 172437817 344875634 689751268 1379502536