Search a number
-
+
104415457 = 293600533
BaseRepresentation
bin1100011100101…
…00000011100001
321021110212002011
412032110003201
5203212243312
614205552521
72405342146
oct616240341
9237425064
10104415457
1153a37973
122ab75741
131882b4c3
14dc203cd
159277da7
hex63940e1

104415457 has 4 divisors (see below), whose sum is σ = 108016020. Its totient is φ = 100814896.

The previous prime is 104415449. The next prime is 104415473. The reversal of 104415457 is 754514401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754514401 = 791995279.

It can be written as a sum of positive squares in 2 ways, for example, as 20802721 + 83612736 = 4561^2 + 9144^2 .

It is a cyclic number.

It is not a de Polignac number, because 104415457 - 23 = 104415449 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104415497) 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, 1800238 + ... + 1800295.

It is an arithmetic number, because the mean of its divisors is an integer number (27004005).

Almost surely, 2104415457 is an apocalyptic number.

It is an amenable number.

104415457 is a deficient number, since it is larger than the sum of its proper divisors (3600563).

104415457 is an equidigital number, since it uses as much as digits as its factorization.

104415457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600562.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 104415457 is about 10218.3881801388. The cubic root of 104415457 is about 470.8923096789.

Adding to 104415457 its reverse (754514401), we get a palindrome (858929858).

The spelling of 104415457 in words is "one hundred four million, four hundred fifteen thousand, four hundred fifty-seven".

Divisors: 1 29 3600533 104415457