Search a number
-
+
54066860 = 22522711909
BaseRepresentation
bin1100111000111…
…1111010101100
310202201212210022
43032033322230
5102320114420
65210501312
71224363221
oct316177254
9122655708
1054066860
1128579261
1216134838
13b280533
147275948
154b2ec25
hex338feac

54066860 has 24 divisors (see below), whose sum is σ = 114050160. Its totient is φ = 21529664.

The previous prime is 54066853. The next prime is 54066869. The reversal of 54066860 is 6866045.

It is a super-4 number, since 4×540668604 (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54066860.

It is not an unprimeable number, because it can be changed into a prime (54066869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 10494.

It is an arithmetic number, because the mean of its divisors is an integer number (4752090).

Almost surely, 254066860 is an apocalyptic number.

It is an amenable number.

54066860 is an abundant number, since it is smaller than the sum of its proper divisors (59983300).

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

54066860 is a wasteful number, since it uses less digits than its factorization.

54066860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145 (or 12143 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 54066860 is about 7353.0170678436. The cubic root of 54066860 is about 378.1322475218.

The spelling of 54066860 in words is "fifty-four million, sixty-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 11909 23818 47636 59545 119090 238180 2703343 5406686 10813372 13516715 27033430 54066860