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11110220 = 2251124591
BaseRepresentation
bin101010011000…
…011101001100
3202220110100122
4222120131030
510321011340
61034044112
7163302212
oct52303514
922813318
1011110220
1162a9300
123879638
1323bccc4
141692cb2
15e96db5
hexa9874c

11110220 has 36 divisors (see below), whose sum is σ = 25650912. Its totient is φ = 4039200.

The previous prime is 11110217. The next prime is 11110223. The reversal of 11110220 is 2201111.

It is an interprime number because it is at equal distance from previous prime (11110217) and next prime (11110223).

It is a junction number, because it is equal to n+sod(n) for n = 11110198 and 11110207.

It is not an unprimeable number, because it can be changed into a prime (11110223) 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 11 ways as a sum of consecutive naturals, for example, 125 + ... + 4715.

Almost surely, 211110220 is an apocalyptic number.

11110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12825456).

11110220 is an abundant number, since it is smaller than the sum of its proper divisors (14540692).

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

11110220 is a wasteful number, since it uses less digits than its factorization.

11110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11110220 is about 3333.1996639865. The cubic root of 11110220 is about 223.1383511432.

Adding to 11110220 its reverse (2201111), we get a palindrome (13311331).

The spelling of 11110220 in words is "eleven million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 4591 9182 18364 22955 45910 50501 91820 101002 202004 252505 505010 555511 1010020 1111022 2222044 2777555 5555110 11110220