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1130302220 = 22556515111
BaseRepresentation
bin100001101011111…
…0000101100001100
32220202212022011012
41003113300230030
54303324132340
6304054144352
740003260515
oct10327605414
92822768135
101130302220
11530031873
122766520b8
131502303a8
14aa189a0c
156936e565
hex435f0b0c

1130302220 has 12 divisors (see below), whose sum is σ = 2373634704. Its totient is φ = 452120880.

The previous prime is 1130302219. The next prime is 1130302249. The reversal of 1130302220 is 222030311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1130302195 and 1130302204.

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, 28257536 + ... + 28257575.

It is an arithmetic number, because the mean of its divisors is an integer number (197802892).

Almost surely, 21130302220 is an apocalyptic number.

1130302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130302220 is an abundant number, since it is smaller than the sum of its proper divisors (1243332484).

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

1130302220 is a wasteful number, since it uses less digits than its factorization.

1130302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56515120 (or 56515118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1130302220 is about 33619.9675788065. The cubic root of 1130302220 is about 1041.6732863864.

Adding to 1130302220 its reverse (222030311), we get a palindrome (1352332531).

The spelling of 1130302220 in words is "one billion, one hundred thirty million, three hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 56515111 113030222 226060444 282575555 565151110 1130302220