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2421000564 = 223201750047
BaseRepresentation
bin1001000001001101…
…1000100101110100
320020201112120102120
42100103120211310
514424234004224
61040122235540
7113665110453
oct22023304564
96221476376
102421000564
111032656614
12576955bb0
132c775c618
1418d768b9a
15e2823779
hex904d8974

2421000564 has 12 divisors (see below), whose sum is σ = 5649001344. Its totient is φ = 807000184.

The previous prime is 2421000563. The next prime is 2421000607. The reversal of 2421000564 is 4650001242.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×24210005642 = 11722487461776636192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421000563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100875012 + ... + 100875035.

It is an arithmetic number, because the mean of its divisors is an integer number (470750112).

Almost surely, 22421000564 is an apocalyptic number.

It is an amenable number.

2421000564 is an abundant number, since it is smaller than the sum of its proper divisors (3228000780).

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

2421000564 is a wasteful number, since it uses less digits than its factorization.

2421000564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201750054 (or 201750052 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2421000564 is about 49203.6641318510. The cubic root of 2421000564 is about 1342.7596953646.

The spelling of 2421000564 in words is "two billion, four hundred twenty-one million, five hundred sixty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 201750047 403500094 605250141 807000188 1210500282 2421000564