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2248068385 = 53137715521
BaseRepresentation
bin1000010111111110…
…1100110100100001
312210200010201002001
42011333230310201
514101001142020
61011023524001
7106465160143
oct20577546441
95720121061
102248068385
11a53a81062
12528a59601
1329a9917a4
141747d0c93
15d256450a
hex85fecd21

2248068385 has 32 divisors (see below), whose sum is σ = 2900772864. Its totient is φ = 1669248000.

The previous prime is 2248068379. The next prime is 2248068413. The reversal of 2248068385 is 5838608422.

It is not a de Polignac number, because 2248068385 - 23 = 2248068377 is a prime.

It is a super-2 number, since 2×22480683852 = 10107622927273016450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 404425 + ... + 409945.

It is an arithmetic number, because the mean of its divisors is an integer number (90649152).

Almost surely, 22248068385 is an apocalyptic number.

It is an amenable number.

2248068385 is a deficient number, since it is larger than the sum of its proper divisors (652704479).

2248068385 is a wasteful number, since it uses less digits than its factorization.

2248068385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665.

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 2248068385 is about 47413.7995208146. The cubic root of 2248068385 is about 1309.9956072731.

The spelling of 2248068385 in words is "two billion, two hundred forty-eight million, sixty-eight thousand, three hundred eighty-five".

Divisors: 1 5 31 37 71 155 185 355 1147 2201 2627 5521 5735 11005 13135 27605 81437 171151 204277 391991 407185 855755 1021385 1959955 6332587 12151721 14503667 31662935 60758605 72518335 449613677 2248068385