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1053144220 = 225173097483
BaseRepresentation
bin111110110001011…
…011010010011100
32201101200021021111
4332301123102130
54124101103340
6252300311404
735045402212
oct7661332234
92641607244
101053144220
114a0521927
12254842564
1313a25677b
149dc22cb2
15626ccaea
hex3ec5b49c

1053144220 has 24 divisors (see below), whose sum is σ = 2341697904. Its totient is φ = 396477696.

The previous prime is 1053144187. The next prime is 1053144221. The reversal of 1053144220 is 224413501.

It is a super-2 number, since 2×10531442202 = 2218225496238816800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053144191 and 1053144200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053144221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548402 + ... + 1549081.

It is an arithmetic number, because the mean of its divisors is an integer number (97570746).

Almost surely, 21053144220 is an apocalyptic number.

1053144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053144220 is an abundant number, since it is smaller than the sum of its proper divisors (1288553684).

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

1053144220 is a wasteful number, since it uses less digits than its factorization.

1053144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097509 (or 3097507 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1053144220 is about 32452.1835937121. The cubic root of 1053144220 is about 1017.4098771766.

Adding to 1053144220 its reverse (224413501), we get a palindrome (1277557721).

The spelling of 1053144220 in words is "one billion, fifty-three million, one hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3097483 6194966 12389932 15487415 30974830 52657211 61949660 105314422 210628844 263286055 526572110 1053144220