Search a number
-
+
13163507 = 72268643
BaseRepresentation
bin110010001101…
…101111110011
3220202202221022
4302031233303
511332213012
61150050055
7216613400
oct62155763
926682838
1013163507
117480a35
1244a992b
13295b776
141a692a7
151250472
hexc8dbf3

13163507 has 6 divisors (see below), whose sum is σ = 15312708. Its totient is φ = 11282964.

The previous prime is 13163497. The next prime is 13163537. The reversal of 13163507 is 70536131.

It is a happy number.

It is not a de Polignac number, because 13163507 - 222 = 8969203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13163537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134273 + ... + 134370.

It is an arithmetic number, because the mean of its divisors is an integer number (2552118).

Almost surely, 213163507 is an apocalyptic number.

13163507 is a deficient number, since it is larger than the sum of its proper divisors (2149201).

13163507 is an equidigital number, since it uses as much as digits as its factorization.

13163507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268657 (or 268650 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13163507 is about 3628.1547651664. The cubic root of 13163507 is about 236.1151585353.

Adding to 13163507 its reverse (70536131), we get a palindrome (83699638).

The spelling of 13163507 in words is "thirteen million, one hundred sixty-three thousand, five hundred seven".

Divisors: 1 7 49 268643 1880501 13163507