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40220011 = 13171271433
BaseRepresentation
bin1001100101101…
…1010101101011
32210200101111001
42121123111223
540244020021
63554015431
7665602336
oct231332553
983611431
1040220011
1120780987
1211577577
138442a30
1454ad61d
1537e7091
hex265b56b

40220011 has 16 divisors (see below), whose sum is σ = 46255104. Its totient is φ = 34642944.

The previous prime is 40219997. The next prime is 40220021. The reversal of 40220011 is 11002204.

It is a cyclic number.

It is not a de Polignac number, because 40220011 - 213 = 40211819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40220011.

It is not an unprimeable number, because it can be changed into a prime (40220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27351 + ... + 28783.

It is an arithmetic number, because the mean of its divisors is an integer number (2890944).

Almost surely, 240220011 is an apocalyptic number.

40220011 is a deficient number, since it is larger than the sum of its proper divisors (6035093).

40220011 is a wasteful number, since it uses less digits than its factorization.

40220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40220011 is about 6341.9248655278. The cubic root of 40220011 is about 342.6210657666.

Adding to 40220011 its reverse (11002204), we get a palindrome (51222215).

The spelling of 40220011 in words is "forty million, two hundred twenty thousand, eleven".

Divisors: 1 13 17 127 221 1433 1651 2159 18629 24361 28067 181991 316693 2365883 3093847 40220011