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2420855655 = 351451111227
BaseRepresentation
bin1001000001001011…
…0101001101100111
320020201021012122120
42100102311031213
514424214340110
61040115201023
7113663635131
oct22022651547
96221235576
102420855655
111032567759
125768a6173
132c770b68a
1418d72c051
15e27e5870
hex904b5367

2420855655 has 16 divisors (see below), whose sum is σ = 3876073344. Its totient is φ = 1290221600.

The previous prime is 2420855651. The next prime is 2420855663. The reversal of 2420855655 is 5565580242.

It is not a de Polignac number, because 2420855655 - 22 = 2420855651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420855651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33849 + ... + 77378.

It is an arithmetic number, because the mean of its divisors is an integer number (242254584).

Almost surely, 22420855655 is an apocalyptic number.

2420855655 is a deficient number, since it is larger than the sum of its proper divisors (1455217689).

2420855655 is a wasteful number, since it uses less digits than its factorization.

2420855655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112686.

The product of its (nonzero) digits is 480000, while the sum is 42.

The square root of 2420855655 is about 49202.1915670430. The cubic root of 2420855655 is about 1342.7329045341.

The spelling of 2420855655 in words is "two billion, four hundred twenty million, eight hundred fifty-five thousand, six hundred fifty-five".

Divisors: 1 3 5 15 1451 4353 7255 21765 111227 333681 556135 1668405 161390377 484171131 806951885 2420855655