Search a number
-
+
55082188 = 2274147981
BaseRepresentation
bin1101001000011…
…1110011001100
310211122110120001
43102013303030
5103100112223
65244334044
71236122320
oct322076314
9124573501
1055082188
1129102077
1216544324
13b547715
14745b980
154c809ad
hex3487ccc

55082188 has 24 divisors (see below), whose sum is σ = 112853664. Its totient is φ = 23030400.

The previous prime is 55082179. The next prime is 55082213. The reversal of 55082188 is 88128055.

55082188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22843 + ... + 25138.

It is an arithmetic number, because the mean of its divisors is an integer number (4702236).

Almost surely, 255082188 is an apocalyptic number.

It is an amenable number.

55082188 is an abundant number, since it is smaller than the sum of its proper divisors (57771476).

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

55082188 is a wasteful number, since it uses less digits than its factorization.

55082188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48033 (or 48031 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 55082188 is about 7421.7375324111. The cubic root of 55082188 is about 380.4845803176.

The spelling of 55082188 in words is "fifty-five million, eighty-two thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 47981 95962 191924 335867 671734 1343468 1967221 3934442 7868884 13770547 27541094 55082188