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4878385 = 54153449
BaseRepresentation
bin10010100111000000110001
3100011211212221
4102213000301
52222102020
6252321041
756315461
oct22470061
910154787
104878385
112832226
121773181
13101a625
1490dba1
156656aa
hex4a7031

4878385 has 16 divisors (see below), whose sum is σ = 6123600. Its totient is φ = 3727360.

The previous prime is 4878373. The next prime is 4878397. The reversal of 4878385 is 5838784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4878373) and next prime (4878397).

It can be written as a sum of positive squares in 8 ways, for example, as 160801 + 4717584 = 401^2 + 2172^2 .

It is not a de Polignac number, because 4878385 - 27 = 4878257 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10641 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (382725).

Almost surely, 24878385 is an apocalyptic number.

It is an amenable number.

4878385 is a deficient number, since it is larger than the sum of its proper divisors (1245215).

4878385 is a wasteful number, since it uses less digits than its factorization.

4878385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 215040, while the sum is 43.

The square root of 4878385 is about 2208.7066351148. The cubic root of 4878385 is about 169.5998083724.

The spelling of 4878385 in words is "four million, eight hundred seventy-eight thousand, three hundred eighty-five".

Divisors: 1 5 41 53 205 265 449 2173 2245 10865 18409 23797 92045 118985 975677 4878385