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271328380 = 22523835693
BaseRepresentation
bin10000001011000…
…010010001111100
3200220112220120021
4100023002101330
51023430002010
642531301524
76503152561
oct2013022174
9626486507
10271328380
1112a181034
1276a4a8a4
134429c64b
142806c868
1518c488da
hex102c247c

271328380 has 24 divisors (see below), whose sum is σ = 570128832. Its totient is φ = 108466752.

The previous prime is 271328377. The next prime is 271328441. The reversal of 271328380 is 83823172.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44814 + ... + 50506.

It is an arithmetic number, because the mean of its divisors is an integer number (23755368).

Almost surely, 2271328380 is an apocalyptic number.

271328380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271328380 is an abundant number, since it is smaller than the sum of its proper divisors (298800452).

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

271328380 is a wasteful number, since it uses less digits than its factorization.

271328380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085 (or 8083 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 271328380 is about 16472.0484457763. The cubic root of 271328380 is about 647.3886393362.

The spelling of 271328380 in words is "two hundred seventy-one million, three hundred twenty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2383 4766 5693 9532 11386 11915 22772 23830 28465 47660 56930 113860 13566419 27132838 54265676 67832095 135664190 271328380