Search a number
-
+
54061205 = 511982931
BaseRepresentation
bin1100111000111…
…0100010010101
310202201121000212
43032032202111
5102314424310
65210415205
71224340562
oct316164225
9122647025
1054061205
1128574a90
1216131505
13b27aaa3
147273869
154b2d205
hex338e895

54061205 has 8 divisors (see below), whose sum is σ = 70771104. Its totient is φ = 39317200.

The previous prime is 54061187. The next prime is 54061229. The reversal of 54061205 is 50216045.

54061205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-54061205 is a prime.

It is a super-2 number, since 2×540612052 = 5845227772104050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 491411 + ... + 491520.

It is an arithmetic number, because the mean of its divisors is an integer number (8846388).

Almost surely, 254061205 is an apocalyptic number.

54061205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54061205 is a deficient number, since it is larger than the sum of its proper divisors (16709899).

54061205 is a wasteful number, since it uses less digits than its factorization.

54061205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982947.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 54061205 is about 7352.6325217571. The cubic root of 54061205 is about 378.1190637686.

The spelling of 54061205 in words is "fifty-four million, sixty-one thousand, two hundred five".

Divisors: 1 5 11 55 982931 4914655 10812241 54061205