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40304011 = 113107283
BaseRepresentation
bin1001100110111…
…1110110001011
32210211122201011
42121233312023
540304212021
63555504351
7666402256
oct231576613
983748634
1040304011
1120829000
12115b80b7
138472037
1454d209d
153811de1
hex266fd8b

40304011 has 16 divisors (see below), whose sum is σ = 44903808. Its totient is φ = 36169320.

The previous prime is 40303993. The next prime is 40304041. The reversal of 40304011 is 11040304.

It is not a de Polignac number, because 40304011 - 25 = 40303979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40303982 and 40304000.

It is not an unprimeable number, because it can be changed into a prime (40304041) 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, 142276 + ... + 142558.

It is an arithmetic number, because the mean of its divisors is an integer number (2806488).

Almost surely, 240304011 is an apocalyptic number.

40304011 is a deficient number, since it is larger than the sum of its proper divisors (4599797).

40304011 is a wasteful number, since it uses less digits than its factorization.

40304011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40304011 is about 6348.5440063057. The cubic root of 40304011 is about 342.8594227114.

Adding to 40304011 its reverse (11040304), we get a palindrome (51344315).

The spelling of 40304011 in words is "forty million, three hundred four thousand, eleven".

Divisors: 1 11 107 121 283 1177 1331 3113 12947 30281 34243 142417 333091 376673 3664001 40304011