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6130660 = 225306533
BaseRepresentation
bin10111011000101111100100
3102112110200111
4113120233210
53032140120
6335222404
7103052434
oct27305744
912473614
106130660
113508068
122077a04
131368613
14b582c4
1581175a
hex5d8be4

6130660 has 12 divisors (see below), whose sum is σ = 12874428. Its totient is φ = 2452256.

The previous prime is 6130609. The next prime is 6130661. The reversal of 6130660 is 660316.

It can be written as a sum of positive squares in 2 ways, for example, as 3771364 + 2359296 = 1942^2 + 1536^2 .

It is not an unprimeable number, because it can be changed into a prime (6130661) 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 3 ways as a sum of consecutive naturals, for example, 153247 + ... + 153286.

It is an arithmetic number, because the mean of its divisors is an integer number (1072869).

Almost surely, 26130660 is an apocalyptic number.

It is an amenable number.

6130660 is an abundant number, since it is smaller than the sum of its proper divisors (6743768).

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

6130660 is a wasteful number, since it uses less digits than its factorization.

6130660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306542 (or 306540 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 6130660 is about 2476.0169627852. The cubic root of 6130660 is about 183.0216264368.

Adding to 6130660 its reverse (660316), we get a palindrome (6790976).

The spelling of 6130660 in words is "six million, one hundred thirty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 306533 613066 1226132 1532665 3065330 6130660