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2275488820 = 2251110343131
BaseRepresentation
bin1000011110100001…
…0011010000110100
312212120201210211201
42013220103100310
514130011120240
61013443342244
7110250223123
oct20750232064
95776653751
102275488820
11a684aa480
12536081984
132a35725b7
141782cbaba
15d4b7dd9a
hex87a13434

2275488820 has 24 divisors (see below), whose sum is σ = 5212938528. Its totient is φ = 827450400.

The previous prime is 2275488793. The next prime is 2275488823. The reversal of 2275488820 is 288845722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275488823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171346 + ... + 5171785.

It is an arithmetic number, because the mean of its divisors is an integer number (217205772).

Almost surely, 22275488820 is an apocalyptic number.

2275488820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275488820 is an abundant number, since it is smaller than the sum of its proper divisors (2937449708).

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

2275488820 is a wasteful number, since it uses less digits than its factorization.

2275488820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343151 (or 10343149 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 2275488820 is about 47702.0840215603. The cubic root of 2275488820 is about 1315.3002480563.

The spelling of 2275488820 in words is "two billion, two hundred seventy-five million, four hundred eighty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10343131 20686262 41372524 51715655 103431310 113774441 206862620 227548882 455097764 568872205 1137744410 2275488820