Search a number
-
+
12415105 = 510324107
BaseRepresentation
bin101111010111…
…000010000001
3212100202022201
4233113002001
511134240410
61122033201
7210345433
oct57270201
925322281
1012415105
11700a71a
1241a8801
132758c21
141912653
15115383a
hexbd7081

12415105 has 8 divisors (see below), whose sum is σ = 15043392. Its totient is φ = 9835248.

The previous prime is 12415099. The next prime is 12415121. The reversal of 12415105 is 50151421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12415105 - 211 = 12413057 is a prime.

It is a super-2 number, since 2×124151052 = 308269664322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11539 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (1880424).

Almost surely, 212415105 is an apocalyptic number.

It is an amenable number.

12415105 is a deficient number, since it is larger than the sum of its proper divisors (2628287).

12415105 is a wasteful number, since it uses less digits than its factorization.

12415105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24215.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 12415105 is about 3523.5074854469. The cubic root of 12415105 is about 231.5528508318.

Adding to 12415105 its reverse (50151421), we get a palindrome (62566526).

The spelling of 12415105 in words is "twelve million, four hundred fifteen thousand, one hundred five".

Divisors: 1 5 103 515 24107 120535 2483021 12415105