Search a number
-
+
11102020 = 2251732653
BaseRepresentation
bin101010010110…
…011101000100
3202220001002221
4222112131010
510320231040
61033542124
7163236256
oct52263504
922801087
1011102020
1162a3126
123874944
1323b9357
14168dcd6
15e9474a
hexa96744

11102020 has 24 divisors (see below), whose sum is σ = 24686424. Its totient is φ = 4179456.

The previous prime is 11102009. The next prime is 11102051. The reversal of 11102020 is 2020111.

It can be written as a sum of positive squares in 4 ways, for example, as 1811716 + 9290304 = 1346^2 + 3048^2 .

It is a super-3 number, since 3×111020203 (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101994 and 11102012.

It is an unprimeable number.

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, 15987 + ... + 16666.

It is an arithmetic number, because the mean of its divisors is an integer number (1028601).

Almost surely, 211102020 is an apocalyptic number.

11102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102020 is an abundant number, since it is smaller than the sum of its proper divisors (13584404).

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

11102020 is a wasteful number, since it uses less digits than its factorization.

11102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32679 (or 32677 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11102020 is about 3331.9693876145. The cubic root of 11102020 is about 223.0834411950.

Adding to 11102020 its reverse (2020111), we get a palindrome (13122131).

The spelling of 11102020 in words is "eleven million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 32653 65306 130612 163265 326530 555101 653060 1110202 2220404 2775505 5551010 11102020