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2448020645 = 5722921092
BaseRepresentation
bin1001000111101001…
…1101010010100101
320022121101100000022
42101322131102211
520003143130040
61042525324525
7114443555300
oct22172352245
96277340008
102448020645
111046931164
12583a06745
13300230135
1419319db37
15e4dae6b5
hex91e9d4a5

2448020645 has 54 divisors (see below), whose sum is σ = 3571903062. Its totient is φ = 1605889152.

The previous prime is 2448020623. The next prime is 2448020651. The reversal of 2448020645 is 5460208442.

2448020645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 134699236 + 2313321409 = 11606^2 + 48097^2 .

It is not a de Polignac number, because 2448020645 - 216 = 2447955109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 22458851 + ... + 22458959.

It is an arithmetic number, because the mean of its divisors is an integer number (66146353).

Almost surely, 22448020645 is an apocalyptic number.

It is an amenable number.

2448020645 is a deficient number, since it is larger than the sum of its proper divisors (1123882417).

2448020645 is an equidigital number, since it uses as much as digits as its factorization.

2448020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 2448020645 is about 49477.4761381378. The cubic root of 2448020645 is about 1347.7366088138.

The spelling of 2448020645 in words is "two billion, four hundred forty-eight million, twenty thousand, six hundred forty-five".

Divisors: 1 5 7 29 35 49 109 145 203 245 545 763 841 1015 1421 3161 3815 4205 5341 5887 7105 11881 15805 22127 26705 29435 41209 59405 83167 91669 110635 154889 206045 344549 415835 458345 582169 641683 774445 1722745 2411843 2910845 3208415 4491781 9991921 12059215 16882901 22458905 49959605 69943447 84414505 349717235 489604129 2448020645