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2927421660 = 223548790361
BaseRepresentation
bin1010111001111100…
…1110100011011100
321120000110102120110
42232133032203130
521443404443120
61202252450020
7132354450012
oct25637164334
97500412513
102927421660
1112724a9249
12698479910
13378652287
141dab128b2
151220092e0
hexae7ce8dc

2927421660 has 24 divisors (see below), whose sum is σ = 8196780816. Its totient is φ = 780645760.

The previous prime is 2927421619. The next prime is 2927421677. The reversal of 2927421660 is 661247292.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24395121 + ... + 24395240.

It is an arithmetic number, because the mean of its divisors is an integer number (341532534).

Almost surely, 22927421660 is an apocalyptic number.

2927421660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2927421660 is an abundant number, since it is smaller than the sum of its proper divisors (5269359156).

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

2927421660 is a wasteful number, since it uses less digits than its factorization.

2927421660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48790373 (or 48790371 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2927421660 is about 54105.6527545875. The cubic root of 2927421660 is about 1430.5238206809.

The spelling of 2927421660 in words is "two billion, nine hundred twenty-seven million, four hundred twenty-one thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 48790361 97580722 146371083 195161444 243951805 292742166 487903610 585484332 731855415 975807220 1463710830 2927421660