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BaseRepresentation
bin11000110100100000100010
3110020120021121
4120310200202
53131202110
6351242454
7106206322
oct30644042
913216247
106506530
1137444a8
12221942a
13146a724
14c15282
15887cda
hex634822

6506530 has 16 divisors (see below), whose sum is σ = 11782584. Its totient is φ = 2586880.

The previous prime is 6506491. The next prime is 6506557. The reversal of 6506530 is 356056.

It can be written as a sum of positive squares in 4 ways, for example, as 6105841 + 400689 = 2471^2 + 633^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6506495 and 6506504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151 + ... + 3610.

Almost surely, 26506530 is an apocalyptic number.

6506530 is a deficient number, since it is larger than the sum of its proper divisors (5276054).

6506530 is a wasteful number, since it uses less digits than its factorization.

6506530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 6506530 is about 2550.7900736831. The cubic root of 6506530 is about 186.6880325600.

The spelling of 6506530 in words is "six million, five hundred six thousand, five hundred thirty".