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3878875 = 537111331
BaseRepresentation
bin1110110010111111011011
321022001211001
432302333123
51443111000
6215045431
744653450
oct16627733
97261731
103878875
11220a290
121370877
13a5a6c0
1472d827
1551946a
hex3b2fdb

3878875 has 64 divisors (see below), whose sum is σ = 6709248. Its totient is φ = 2160000.

The previous prime is 3878867. The next prime is 3878879. The reversal of 3878875 is 5788783.

It is not a de Polignac number, because 3878875 - 23 = 3878867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3878879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125110 + ... + 125140.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

Almost surely, 23878875 is an apocalyptic number.

3878875 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3878875 is a deficient number, since it is larger than the sum of its proper divisors (2830373).

3878875 is a wasteful number, since it uses less digits than its factorization.

3878875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 67 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 3878875 is about 1969.4859735474. The cubic root of 3878875 is about 157.1213715214.

It can be divided in two parts, 3878 and 875, that added together give a triangular number (4753 = T97).

The spelling of 3878875 in words is "three million, eight hundred seventy-eight thousand, eight hundred seventy-five".

Divisors: 1 5 7 11 13 25 31 35 55 65 77 91 125 143 155 175 217 275 325 341 385 403 455 715 775 875 1001 1085 1375 1625 1705 1925 2015 2275 2387 2821 3575 3875 4433 5005 5425 8525 9625 10075 11375 11935 14105 17875 22165 25025 27125 31031 42625 50375 59675 70525 110825 125125 155155 298375 352625 554125 775775 3878875