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2055799305 = 33572175449
BaseRepresentation
bin111101010001001…
…0000001000001001
312022021100102111000
41322202100020021
513202241034210
6535554525213
7101642001660
oct17242201011
95267312430
102055799305
1196549949a
12494596809
13269bb32c1
14157061dd7
15c0735ac0
hex7a890209

2055799305 has 32 divisors (see below), whose sum is σ = 4176864000. Its totient is φ = 939793536.

The previous prime is 2055799303. The next prime is 2055799331. The reversal of 2055799305 is 5039975502.

2055799305 is a `hidden beast` number, since 2 + 0 + 557 + 9 + 93 + 0 + 5 = 666.

It is not a de Polignac number, because 2055799305 - 21 = 2055799303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2055799301) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1086780 + ... + 1088669.

It is an arithmetic number, because the mean of its divisors is an integer number (130527000).

Almost surely, 22055799305 is an apocalyptic number.

It is an amenable number.

2055799305 is an abundant number, since it is smaller than the sum of its proper divisors (2121064695).

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

2055799305 is a wasteful number, since it uses less digits than its factorization.

2055799305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175470 (or 2175464 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 45.

The square root of 2055799305 is about 45340.9230717682. The cubic root of 2055799305 is about 1271.5308600561.

The spelling of 2055799305 in words is "two billion, fifty-five million, seven hundred ninety-nine thousand, three hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 2175449 6526347 10877245 15228143 19579041 32631735 45684429 58737123 76140715 97895205 137053287 228422145 293685615 411159861 685266435 2055799305