Search a number
-
+
57689828 = 2272060351
BaseRepresentation
bin1101110000010…
…0011011100100
311000112221120022
43130010123210
5104232033303
65420254312
71300232630
oct334043344
9130487508
1057689828
112a623249
12173a1398
13bc4b5c1
147939dc0
1550e8438
hex37046e4

57689828 has 12 divisors (see below), whose sum is σ = 115379712. Its totient is φ = 24724200.

The previous prime is 57689813. The next prime is 57689851. The reversal of 57689828 is 82898675.

57689828 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 57689828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030148 + ... + 1030203.

It is an arithmetic number, because the mean of its divisors is an integer number (9614976).

Almost surely, 257689828 is an apocalyptic number.

It is an amenable number.

57689828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57689828 is a wasteful number, since it uses less digits than its factorization.

57689828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060362 (or 2060360 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 57689828 is about 7595.3820180423. The cubic root of 57689828 is about 386.3964087843.

The spelling of 57689828 in words is "fifty-seven million, six hundred eighty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 2060351 4120702 8241404 14422457 28844914 57689828