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4220724017 = 61530913033
BaseRepresentation
bin1111101110010011…
…0010001100110001
3101220011000222212202
43323210302030301
532121001132032
61534452432545
7206410363556
oct37344621461
911804028782
104220724017
111876541474
12999618755
13523583843
142c07aca2d
1519a824d62
hexfb932331

4220724017 has 8 divisors (see below), whose sum is σ = 4291053480. Its totient is φ = 4150431360.

The previous prime is 4220723999. The next prime is 4220724029. The reversal of 4220724017 is 7104270224.

It can be written as a sum of positive squares in 4 ways, for example, as 183900721 + 4036823296 = 13561^2 + 63536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4220724017 - 28 = 4220723761 is a prime.

It is a super-2 number, since 2×42207240172 = 35629022455361232578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220724517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317333 + ... + 330365.

It is an arithmetic number, because the mean of its divisors is an integer number (536381685).

Almost surely, 24220724017 is an apocalyptic number.

It is an amenable number.

4220724017 is a deficient number, since it is larger than the sum of its proper divisors (70329463).

4220724017 is a wasteful number, since it uses less digits than its factorization.

4220724017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 4220724017 is about 64967.0994965913. The cubic root of 4220724017 is about 1616.0780013784.

The spelling of 4220724017 in words is "four billion, two hundred twenty million, seven hundred twenty-four thousand, seventeen".

Divisors: 1 61 5309 13033 323849 795013 69192197 4220724017