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3864875 = 5372631
BaseRepresentation
bin1110101111100100101011
321021100121112
432233210223
51442134000
6214500535
744564600
oct16574453
97240545
103864875
1121aa813
12136474b
13a54211
147286a7
15515235
hex3af92b

3864875 has 24 divisors (see below), whose sum is σ = 5619744. Its totient is φ = 2646000.

The previous prime is 3864871. The next prime is 3864901. The reversal of 3864875 is 5784683.

It is a happy number.

It is not a de Polignac number, because 3864875 - 22 = 3864871 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3864871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5810 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (234156).

Almost surely, 23864875 is an apocalyptic number.

3864875 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3864875 is a deficient number, since it is larger than the sum of its proper divisors (1754869).

3864875 is an equidigital number, since it uses as much as digits as its factorization.

3864875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 643 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 3864875 is about 1965.9285337977. The cubic root of 3864875 is about 156.9321112355.

The spelling of 3864875 in words is "three million, eight hundred sixty-four thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 35 49 125 175 245 631 875 1225 3155 4417 6125 15775 22085 30919 78875 110425 154595 552125 772975 3864875