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411117940 = 22520555897
BaseRepresentation
bin11000100000010…
…010100101110100
31001122120221210101
4120200102211310
51320221233230
6104443403444
713121305402
oct3040224564
91048527711
10411117940
111a1079aa2
12b5823584
1367234c6c
143c85a472
152615caca
hex18812974

411117940 has 12 divisors (see below), whose sum is σ = 863347716. Its totient is φ = 164447168.

The previous prime is 411117911. The next prime is 411117997. The reversal of 411117940 is 49711114.

It can be written as a sum of positive squares in 2 ways, for example, as 147185424 + 263932516 = 12132^2 + 16246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 411117899 and 411117908.

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, 10277929 + ... + 10277968.

It is an arithmetic number, because the mean of its divisors is an integer number (71945643).

Almost surely, 2411117940 is an apocalyptic number.

It is an amenable number.

411117940 is an abundant number, since it is smaller than the sum of its proper divisors (452229776).

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

411117940 is a wasteful number, since it uses less digits than its factorization.

411117940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555906 (or 20555904 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 411117940 is about 20276.0434996574. The cubic root of 411117940 is about 743.5704852158.

The spelling of 411117940 in words is "four hundred eleven million, one hundred seventeen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 20555897 41111794 82223588 102779485 205558970 411117940