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6656130 = 2325135689
BaseRepresentation
bin11001011001000010000010
3110112011111100
4121121002002
53200444010
6354355230
7110401425
oct31310202
913464440
106656130
113836938
12228bb16
1314c0850
14c539bc
158b72c0
hex659082

6656130 has 48 divisors (see below), whose sum is σ = 18640440. Its totient is φ = 1638144.

The previous prime is 6656123. The next prime is 6656171. The reversal of 6656130 is 316566.

6656130 is a `hidden beast` number, since 6 + 656 + 1 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5774409 + 881721 = 2403^2 + 939^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6656094 and 6656103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675 + ... + 4014.

Almost surely, 26656130 is an apocalyptic number.

6656130 is an abundant number, since it is smaller than the sum of its proper divisors (11984310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6656130 is a wasteful number, since it uses less digits than its factorization.

6656130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5712 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 6656130 is about 2579.9476738880. The cubic root of 6656130 is about 188.1079996632.

It can be divided in two parts, 6656 and 130, that added together give a triangular number (6786 = T116).

The spelling of 6656130 in words is "six million, six hundred fifty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 5689 11378 17067 28445 34134 51201 56890 73957 85335 102402 147914 170670 221871 256005 369785 443742 512010 665613 739570 1109355 1331226 2218710 3328065 6656130