Search a number
-
+
13548228 = 2231129019
BaseRepresentation
bin110011101011…
…101011000100
3221111022200020
4303223223010
511432020403
61202215140
7223105131
oct63535304
927438606
1013548228
117713a91
1246544b0
132a64905
141b29588
1512c9453
hexcebac4

13548228 has 12 divisors (see below), whose sum is σ = 31612560. Its totient is φ = 4516072.

The previous prime is 13548221. The next prime is 13548239. The reversal of 13548228 is 82284531.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13548221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564498 + ... + 564521.

It is an arithmetic number, because the mean of its divisors is an integer number (2634380).

Almost surely, 213548228 is an apocalyptic number.

It is an amenable number.

13548228 is an abundant number, since it is smaller than the sum of its proper divisors (18064332).

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

13548228 is a wasteful number, since it uses less digits than its factorization.

13548228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129026 (or 1129024 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 13548228 is about 3680.7917626511. The cubic root of 13548228 is about 238.3933659175.

The spelling of 13548228 in words is "thirteen million, five hundred forty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1129019 2258038 3387057 4516076 6774114 13548228