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8448368375 = 53316721341
BaseRepresentation
bin1111101111000111…
…11101111011110111
3210210210002120200102
413313203331323313
5114300240242000
63514153504315
7416233642406
oct76743757367
923723076612
108448368375
11364597a227
12177941209b
13a483bb255
145a205d63d
15346a653d5
hex1f78fdef7

8448368375 has 16 divisors (see below), whose sum is σ = 10547387136. Its totient is φ = 6756244000.

The previous prime is 8448368359. The next prime is 8448368377. The reversal of 8448368375 is 5738638448.

It is not a de Polignac number, because 8448368375 - 24 = 8448368359 is a prime.

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 8448368375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8448368377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385205 + ... + 406545.

It is an arithmetic number, because the mean of its divisors is an integer number (659211696).

Almost surely, 28448368375 is an apocalyptic number.

8448368375 is a deficient number, since it is larger than the sum of its proper divisors (2099018761).

8448368375 is a wasteful number, since it uses less digits than its factorization.

8448368375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523 (or 24513 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 56.

The square root of 8448368375 is about 91915.0062557796. The cubic root of 8448368375 is about 2036.6869502449.

The spelling of 8448368375 in words is "eight billion, four hundred forty-eight million, three hundred sixty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 125 3167 15835 21341 79175 106705 395875 533525 2667625 67586947 337934735 1689673675 8448368375