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2448529985 = 51124047157
BaseRepresentation
bin1001000111110001…
…1001101001000001
320022122100012200202
42101330121221001
520003310424420
61042544254545
7114451106246
oct22174315101
96278305622
102448529985
111047149900
12584011455
1330037ac15
141932935cd
15e4e60575
hex91f19a41

2448529985 has 12 divisors (see below), whose sum is σ = 3229632084. Its totient is φ = 1780748640.

The previous prime is 2448529973. The next prime is 2448530003. The reversal of 2448529985 is 5899258442.

It can be written as a sum of positive squares in 2 ways, for example, as 253701184 + 2194828801 = 15928^2 + 46849^2 .

It is not a de Polignac number, because 2448529985 - 212 = 2448525889 is a prime.

It is a super-4 number, since 4×24485299854 (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2448529985.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022974 + ... + 2024183.

It is an arithmetic number, because the mean of its divisors is an integer number (269136007).

Almost surely, 22448529985 is an apocalyptic number.

It is an amenable number.

2448529985 is a deficient number, since it is larger than the sum of its proper divisors (781102099).

2448529985 is a wasteful number, since it uses less digits than its factorization.

2448529985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047184 (or 4047173 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The square root of 2448529985 is about 49482.6230610302. The cubic root of 2448529985 is about 1347.8300732437.

The spelling of 2448529985 in words is "two billion, four hundred forty-eight million, five hundred twenty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 121 605 4047157 20235785 44518727 222593635 489705997 2448529985