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2420844281 = 29315945641
BaseRepresentation
bin1001000001001011…
…0010011011111001
320020201020122001022
42100102302123321
514424214004111
61040115032225
7113663560022
oct22022623371
96221218038
102420844281
11103255a159
1257689b675
132c770644b
1418d727c49
15e27e22db
hex904b26f9

2420844281 has 16 divisors (see below), whose sum is σ = 2628979200. Its totient is φ = 2223580800.

The previous prime is 2420844269. The next prime is 2420844287. The reversal of 2420844281 is 1824480242.

It is not a de Polignac number, because 2420844281 - 218 = 2420582137 is a prime.

It is a super-2 number, since 2×24208442812 = 11720974065700813922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420844287) 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, 30221 + ... + 75861.

It is an arithmetic number, because the mean of its divisors is an integer number (164311200).

Almost surely, 22420844281 is an apocalyptic number.

It is an amenable number.

2420844281 is a deficient number, since it is larger than the sum of its proper divisors (208134919).

2420844281 is a wasteful number, since it uses less digits than its factorization.

2420844281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45760.

The product of its (nonzero) digits is 32768, while the sum is 35.

The square root of 2420844281 is about 49202.0759826250. The cubic root of 2420844281 is about 1342.7308016595.

The spelling of 2420844281 in words is "two billion, four hundred twenty million, eight hundred forty-four thousand, two hundred eighty-one".

Divisors: 1 29 31 59 899 1711 1829 45641 53041 1323589 1414871 2692819 41031259 78091751 83477389 2420844281