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33740005 = 513239929
BaseRepresentation
bin1000000010110…
…1010011100101
32100111011120211
42000231103211
532114140010
63203055421
7556533235
oct200552345
970434524
1033740005
1118055402
12b371571
136cb4400
1446a3cc5
152e6708a
hex202d4e5

33740005 has 12 divisors (see below), whose sum is σ = 43843140. Its totient is φ = 24915072.

The previous prime is 33739999. The next prime is 33740039. The reversal of 33740005 is 50004733.

It can be written as a sum of positive squares in 6 ways, for example, as 10536516 + 23203489 = 3246^2 + 4817^2 .

It is a de Polignac number, because none of the positive numbers 2k-33740005 is a prime.

It is a super-2 number, since 2×337400052 = 2276775874800050, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 19120 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (3653595).

Almost surely, 233740005 is an apocalyptic number.

It is an amenable number.

33740005 is a deficient number, since it is larger than the sum of its proper divisors (10103135).

33740005 is a wasteful number, since it uses less digits than its factorization.

33740005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39960 (or 39947 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 33740005 is about 5808.6147229783. The cubic root of 33740005 is about 323.1332987629.

Adding to 33740005 its reverse (50004733), we get a palindrome (83744738).

The spelling of 33740005 in words is "thirty-three million, seven hundred forty thousand, five".

Divisors: 1 5 13 65 169 845 39929 199645 519077 2595385 6748001 33740005