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3005420243 = 72163571659
BaseRepresentation
bin1011001100100011…
…0001001011010011
321202110020011111212
42303020301023103
522123341421433
61214120330335
7134322436100
oct26310611323
97673204455
103005420243
111302532791
126ba6139ab
1338b861697
14207217aa7
15128cb4d48
hexb32312d3

3005420243 has 24 divisors (see below), whose sum is σ = 3529056960. Its totient is φ = 2551908240.

The previous prime is 3005420233. The next prime is 3005420269. The reversal of 3005420243 is 3420245003.

It is not a de Polignac number, because 3005420243 - 24 = 3005420227 is a prime.

It is a super-3 number, since 3×30054202433 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3005420213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4560248 + ... + 4560906.

It is an arithmetic number, because the mean of its divisors is an integer number (147044040).

Almost surely, 23005420243 is an apocalyptic number.

3005420243 is a deficient number, since it is larger than the sum of its proper divisors (523636717).

3005420243 is a wasteful number, since it uses less digits than its factorization.

3005420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 3005420243 is about 54821.7132439328. The cubic root of 3005420243 is about 1443.1176414039.

Adding to 3005420243 its reverse (3420245003), we get a palindrome (6425665246).

The spelling of 3005420243 in words is "three billion, five million, four hundred twenty thousand, two hundred forty-three".

Divisors: 1 7 49 163 571 659 1141 3997 4613 7987 27979 32291 93073 107417 376289 651511 751919 2634023 4560577 5263433 18438161 61335107 429345749 3005420243