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415044242 = 2481343117
BaseRepresentation
bin11000101111010…
…001001010010010
31001220222102122222
4120233101022102
51322222403432
6105103501042
713166550344
oct3057211222
91056872588
10415044242
111a3310978
12b6bb7782
1367cab112
143d19d294
1526686112
hex18bd1292

415044242 has 8 divisors (see below), whose sum is σ = 622710156. Its totient is φ = 207474192.

The previous prime is 415044241. The next prime is 415044247. The reversal of 415044242 is 242440514.

It can be written as a sum of positive squares in 2 ways, for example, as 411237841 + 3806401 = 20279^2 + 1951^2 .

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

It is not an unprimeable number, because it can be changed into a prime (415044241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11933 + ... + 31184.

Almost surely, 2415044242 is an apocalyptic number.

415044242 is a deficient number, since it is larger than the sum of its proper divisors (207665914).

415044242 is a wasteful number, since it uses less digits than its factorization.

415044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47932.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 415044242 is about 20372.6346357068. The cubic root of 415044242 is about 745.9300978856.

Adding to 415044242 its reverse (242440514), we get a palindrome (657484756).

The spelling of 415044242 in words is "four hundred fifteen million, forty-four thousand, two hundred forty-two".

Divisors: 1 2 4813 9626 43117 86234 207522121 415044242