Search a number
-
+
2660730 = 235312861
BaseRepresentation
bin1010001001100101111010
312000011211120
422021211322
51140120410
6133010110
731421142
oct12114572
95004746
102660730
111558056
12a83936
137220c7
144d3922
15378570
hex28997a

2660730 has 32 divisors (see below), whose sum is σ = 6594048. Its totient is φ = 686400.

The previous prime is 2660719. The next prime is 2660737. The reversal of 2660730 is 370662.

2660730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2660730.

It is not an unprimeable number, because it can be changed into a prime (2660737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (206064).

22660730 is an apocalyptic number.

2660730 is an abundant number, since it is smaller than the sum of its proper divisors (3933318).

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

2660730 is a wasteful number, since it uses less digits than its factorization.

2660730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 2660730 is about 1631.1744235366. The cubic root of 2660730 is about 138.5692720413.

The spelling of 2660730 in words is "two million, six hundred sixty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 2861 5722 8583 14305 17166 28610 42915 85830 88691 177382 266073 443455 532146 886910 1330365 2660730