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5281185 = 357135373
BaseRepresentation
bin10100001001010110100001
3100221022102110
4110021112201
52322444220
6305105533
762614020
oct24112641
910838373
105281185
112a87918
1219282a9
13112ba80
149b68b7
156e4be0
hex5095a1

5281185 has 64 divisors (see below), whose sum is σ = 10741248. Its totient is φ = 2156544.

The previous prime is 5281163. The next prime is 5281201. The reversal of 5281185 is 5811825.

5281185 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5281185 - 25 = 5281153 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72309 + ... + 72381.

It is an arithmetic number, because the mean of its divisors is an integer number (167832).

Almost surely, 25281185 is an apocalyptic number.

It is an amenable number.

5281185 is an abundant number, since it is smaller than the sum of its proper divisors (5460063).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5281185 is a wasteful number, since it uses less digits than its factorization.

5281185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its digits is 3200, while the sum is 30.

The square root of 5281185 is about 2298.0828966771. The cubic root of 5281185 is about 174.1447797511.

The spelling of 5281185 in words is "five million, two hundred eighty-one thousand, one hundred eighty-five".

Divisors: 1 3 5 7 13 15 21 35 39 53 65 73 91 105 159 195 219 265 273 365 371 455 511 689 795 949 1095 1113 1365 1533 1855 2067 2555 2847 3445 3869 4745 4823 5565 6643 7665 10335 11607 14235 14469 19345 19929 24115 27083 33215 50297 58035 72345 81249 99645 135415 150891 251485 352079 406245 754455 1056237 1760395 5281185