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1110204220 = 22555510211
BaseRepresentation
bin100001000101100…
…0101111100111100
32212101001012212211
41002023011330330
54233203013340
6302055310204
736340402666
oct10213057474
92771035784
101110204220
1151a754954
1226b97b364
13149014498
14a7637536
15676ee5ea
hex422c5f3c

1110204220 has 12 divisors (see below), whose sum is σ = 2331428904. Its totient is φ = 444081680.

The previous prime is 1110204163. The next prime is 1110204223. The reversal of 1110204220 is 224020111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110204220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110204223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27755086 + ... + 27755125.

It is an arithmetic number, because the mean of its divisors is an integer number (194285742).

Almost surely, 21110204220 is an apocalyptic number.

1110204220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110204220 is an abundant number, since it is smaller than the sum of its proper divisors (1221224684).

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

1110204220 is a wasteful number, since it uses less digits than its factorization.

1110204220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55510220 (or 55510218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1110204220 is about 33319.7271897595. The cubic root of 1110204220 is about 1035.4622997961.

Adding to 1110204220 its reverse (224020111), we get a palindrome (1334224331).

The spelling of 1110204220 in words is "one billion, one hundred ten million, two hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 55510211 111020422 222040844 277551055 555102110 1110204220