Search a number
-
+
6665130 = 2325103719
BaseRepresentation
bin11001011011001110101010
3110112121211200
4121123032222
53201241010
6354505030
7110436603
oct31331652
913477750
106665130
11384267a
122295176
1314c4984
14c56daa
158b9cc0
hex65b3aa

6665130 has 48 divisors (see below), whose sum is σ = 17521920. Its totient is φ = 1757664.

The previous prime is 6665123. The next prime is 6665159. The reversal of 6665130 is 315666.

It is a junction number, because it is equal to n+sod(n) for n = 6665094 and 6665103.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8911 + ... + 9629.

It is an arithmetic number, because the mean of its divisors is an integer number (365040).

Almost surely, 26665130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6665130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8760960).

6665130 is an abundant number, since it is smaller than the sum of its proper divisors (10856790).

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

6665130 is a wasteful number, since it uses less digits than its factorization.

6665130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 832 counting only the distinct ones).

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

The square root of 6665130 is about 2581.6913061015. The cubic root of 6665130 is about 188.1927440780.

The spelling of 6665130 in words is "six million, six hundred sixty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 103 206 309 515 618 719 927 1030 1438 1545 1854 2157 3090 3595 4314 4635 6471 7190 9270 10785 12942 21570 32355 64710 74057 148114 222171 370285 444342 666513 740570 1110855 1333026 2221710 3332565 6665130