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3530009 = 72611181
BaseRepresentation
bin1101011101110100011001
320122100021002
431131310121
51400430014
6203354345
742001400
oct15356431
96570232
103530009
111aa116a
1212229b5
13967982
1467c637
1549adde
hex35dd19

3530009 has 12 divisors (see below), whose sum is σ = 4177188. Its totient is φ = 2973600.

The previous prime is 3529997. The next prime is 3530011. The reversal of 3530009 is 9000353.

It can be written as a sum of positive squares in 2 ways, for example, as 1570009 + 1960000 = 1253^2 + 1400^2 .

It is not a de Polignac number, because 3530009 - 216 = 3464473 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2399 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (348099).

Almost surely, 23530009 is an apocalyptic number.

It is an amenable number.

3530009 is a deficient number, since it is larger than the sum of its proper divisors (647179).

3530009 is a wasteful number, since it uses less digits than its factorization.

3530009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 3530009 is about 1878.8318179124. The cubic root of 3530009 is about 152.2621428638.

The spelling of 3530009 in words is "three million, five hundred thirty thousand, nine".

Divisors: 1 7 49 61 427 1181 2989 8267 57869 72041 504287 3530009