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415404085 = 583080817
BaseRepresentation
bin11000110000101…
…001000000110101
31001221122201021111
4120300221000311
51322320412320
6105115315021
713202606425
oct3060510065
91057581244
10415404085
111a3537268
12b714ba71
13680a5b45
143d254485
1526707a5a
hex18c29035

415404085 has 4 divisors (see below), whose sum is σ = 498484908. Its totient is φ = 332323264.

The previous prime is 415404079. The next prime is 415404107. The reversal of 415404085 is 580404514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220047556 + 195356529 = 14834^2 + 13977^2 .

It is a cyclic number.

It is not a de Polignac number, because 415404085 - 215 = 415371317 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 41540404 + ... + 41540413.

It is an arithmetic number, because the mean of its divisors is an integer number (124621227).

Almost surely, 2415404085 is an apocalyptic number.

It is an amenable number.

415404085 is a deficient number, since it is larger than the sum of its proper divisors (83080823).

415404085 is an equidigital number, since it uses as much as digits as its factorization.

415404085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83080822.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 415404085 is about 20381.4642506371. The cubic root of 415404085 is about 746.1456091989.

Adding to 415404085 its reverse (580404514), we get a palindrome (995808599).

The spelling of 415404085 in words is "four hundred fifteen million, four hundred four thousand, eighty-five".

Divisors: 1 5 83080817 415404085