Search a number
-
+
54027909 = 32134310739
BaseRepresentation
bin1100111000011…
…0011010000101
310202122220100200
43032012122011
5102312343114
65210001113
71224141525
oct316063205
9122586320
1054027909
1128551a71
1216116199
13b2688a0
147265685
154b23409
hex3386685

54027909 has 24 divisors (see below), whose sum is σ = 86005920. Its totient is φ = 32471712.

The previous prime is 54027901. The next prime is 54027913. The reversal of 54027909 is 90972045.

54027909 is a `hidden beast` number, since 540 + 27 + 90 + 9 = 666.

It is not a de Polignac number, because 54027909 - 23 = 54027901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54027901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (3583580).

Almost surely, 254027909 is an apocalyptic number.

It is an amenable number.

54027909 is a deficient number, since it is larger than the sum of its proper divisors (31978011).

54027909 is a wasteful number, since it uses less digits than its factorization.

54027909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801 (or 10798 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 54027909 is about 7350.3679499737. The cubic root of 54027909 is about 378.0414206731.

The spelling of 54027909 in words is "fifty-four million, twenty-seven thousand, nine hundred nine".

Divisors: 1 3 9 13 39 43 117 129 387 559 1677 5031 10739 32217 96651 139607 418821 461777 1256463 1385331 4155993 6003101 18009303 54027909