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411111020 = 22520555551
BaseRepresentation
bin11000100000010…
…000111001101100
31001122120121022002
4120200100321230
51320221023040
6104443311432
713121246255
oct3040207154
91048517262
10411111020
111a1074881
12b581b578
1367231a78
143c857b2c
152615aa15
hex18810e6c

411111020 has 12 divisors (see below), whose sum is σ = 863333184. Its totient is φ = 164444400.

The previous prime is 411111011. The next prime is 411111031. The reversal of 411111020 is 20111114.

It is a junction number, because it is equal to n+sod(n) for n = 411110992 and 411111010.

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, 10277756 + ... + 10277795.

It is an arithmetic number, because the mean of its divisors is an integer number (71944432).

Almost surely, 2411111020 is an apocalyptic number.

It is an amenable number.

411111020 is an abundant number, since it is smaller than the sum of its proper divisors (452222164).

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

411111020 is a wasteful number, since it uses less digits than its factorization.

411111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555560 (or 20555558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 411111020 is about 20275.8728542078. The cubic root of 411111020 is about 743.5663132284.

Adding to 411111020 its reverse (20111114), we get a palindrome (431222134).

The spelling of 411111020 in words is "four hundred eleven million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 20555551 41111102 82222204 102777755 205555510 411111020