Search a number
-
+
13411540 = 225670577
BaseRepresentation
bin110011001010…
…010011010100
3221020101011201
4303022103110
511413132130
61155242244
7221665462
oct63122324
927211151
1013411540
11763031a
1245a9384
132a1762c
141ad1832
15129dbca
hexcca4d4

13411540 has 12 divisors (see below), whose sum is σ = 28164276. Its totient is φ = 5364608.

The previous prime is 13411537. The next prime is 13411547. The reversal of 13411540 is 4511431.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 8456464 = 2226^2 + 2908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13411547) 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 3 ways as a sum of consecutive naturals, for example, 335269 + ... + 335308.

It is an arithmetic number, because the mean of its divisors is an integer number (2347023).

Almost surely, 213411540 is an apocalyptic number.

13411540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13411540 is an abundant number, since it is smaller than the sum of its proper divisors (14752736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13411540 is a wasteful number, since it uses less digits than its factorization.

13411540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670586 (or 670584 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 13411540 is about 3662.1769482099. The cubic root of 13411540 is about 237.5889380665.

Adding to 13411540 its reverse (4511431), we get a palindrome (17922971).

The spelling of 13411540 in words is "thirteen million, four hundred eleven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 670577 1341154 2682308 3352885 6705770 13411540