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3855625 = 5431199
BaseRepresentation
bin1110101101010100001001
321020212220221
432231110021
51441340000
6214350041
744525614
oct16552411
97225827
103855625
1121a3874
12135b321
13a4cc47
1472517b
1551261a
hex3ad509

3855625 has 20 divisors (see below), whose sum is σ = 4998400. Its totient is φ = 2970000.

The previous prime is 3855623. The next prime is 3855647. The reversal of 3855625 is 5265583.

It is a happy number.

3855625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3855625 - 21 = 3855623 is a prime.

Its product of digits (36000) is a multiple of the sum of its prime factors (250).

It is not an unprimeable number, because it can be changed into a prime (3855623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19276 + ... + 19474.

It is an arithmetic number, because the mean of its divisors is an integer number (249920).

Almost surely, 23855625 is an apocalyptic number.

It is an amenable number.

3855625 is a deficient number, since it is larger than the sum of its proper divisors (1142775).

3855625 is an equidigital number, since it uses as much as digits as its factorization.

3855625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 235 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 3855625 is about 1963.5745465859. The cubic root of 3855625 is about 156.8068133797.

The spelling of 3855625 in words is "three million, eight hundred fifty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 31 125 155 199 625 775 995 3875 4975 6169 19375 24875 30845 124375 154225 771125 3855625