Search a number
-
+
54153205 = 510830641
BaseRepresentation
bin1100111010010…
…0111111110101
310202220021020021
43032210333311
5102330400310
65212405141
71225203031
oct316447765
9122807207
1054153205
1128628117
12161767b1
13b2b0922
1472991c1
154b4a5da
hex33a4ff5

54153205 has 4 divisors (see below), whose sum is σ = 64983852. Its totient is φ = 43322560.

The previous prime is 54153199. The next prime is 54153269. The reversal of 54153205 is 50235145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31438449 + 22714756 = 5607^2 + 4766^2 .

It is a de Polignac number, because none of the positive numbers 2k-54153205 is a prime.

It is a super-2 number, since 2×541532052 = 5865139223544050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54153205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415316 + ... + 5415325.

It is an arithmetic number, because the mean of its divisors is an integer number (16245963).

Almost surely, 254153205 is an apocalyptic number.

It is an amenable number.

54153205 is a deficient number, since it is larger than the sum of its proper divisors (10830647).

54153205 is a wasteful number, since it uses less digits than its factorization.

54153205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830646.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 54153205 is about 7358.8861249512. The cubic root of 54153205 is about 378.3334333848. Note that the first 3 decimals are identical.

The spelling of 54153205 in words is "fifty-four million, one hundred fifty-three thousand, two hundred five".

Divisors: 1 5 10830641 54153205