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11160020 = 2251374073
BaseRepresentation
bin101010100100…
…100111010100
3202222222200002
4222210213110
510324110040
61035110432
7163600334
oct52444724
922888602
1011160020
116332763
1238a2418
132409881
1416a70c4
15ea6a15
hexaa49d4

11160020 has 24 divisors (see below), whose sum is σ = 23612904. Its totient is φ = 4430336.

The previous prime is 11160013. The next prime is 11160029. The reversal of 11160020 is 2006111.

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 10942864 = 466^2 + 3308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11159983 and 11160010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11160029) 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 7 ways as a sum of consecutive naturals, for example, 704 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (983871).

Almost surely, 211160020 is an apocalyptic number.

11160020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11160020 is an abundant number, since it is smaller than the sum of its proper divisors (12452884).

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

11160020 is a wasteful number, since it uses less digits than its factorization.

11160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4217 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11160020 is about 3340.6616111184. The cubic root of 11160020 is about 223.4712496821.

Adding to 11160020 its reverse (2006111), we get a palindrome (13166131).

The spelling of 11160020 in words is "eleven million, one hundred sixty thousand, twenty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 4073 8146 16292 20365 40730 81460 558001 1116002 2232004 2790005 5580010 11160020