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11306660 = 225565333
BaseRepresentation
bin101011001000…
…011010100100
3210021102211012
4223020122210
510343303120
61042201352
7165051011
oct53103244
923242735
1011306660
116422952
123953258
13245b541
141704708
15ed51c5
hexac86a4

11306660 has 12 divisors (see below), whose sum is σ = 23744028. Its totient is φ = 4522656.

The previous prime is 11306657. The next prime is 11306681. The reversal of 11306660 is 6660311.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 6360484 = 2224^2 + 2522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282647 + ... + 282686.

It is an arithmetic number, because the mean of its divisors is an integer number (1978669).

Almost surely, 211306660 is an apocalyptic number.

11306660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11306660 is an abundant number, since it is smaller than the sum of its proper divisors (12437368).

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

11306660 is a wasteful number, since it uses less digits than its factorization.

11306660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565342 (or 565340 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 11306660 is about 3362.5377321303. The cubic root of 11306660 is about 224.4457799991.

Adding to 11306660 its reverse (6660311), we get a palindrome (17966971).

The spelling of 11306660 in words is "eleven million, three hundred six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 565333 1130666 2261332 2826665 5653330 11306660