Search a number
-
+
54718213 = 1110514733
BaseRepresentation
bin1101000010111…
…0111100000101
310210221222021111
43100232330011
5103001440323
65232445021
71233045214
oct320567405
9123858244
1054718213
1128983670
12163a9771
13b44ab54
1473a507b
154c0cc0d
hex342ef05

54718213 has 8 divisors (see below), whose sum is σ = 59762016. Its totient is φ = 49686000.

The previous prime is 54718201. The next prime is 54718229. The reversal of 54718213 is 31281745.

54718213 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 cyclic number.

It is not a de Polignac number, because 54718213 - 221 = 52621061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54718913) by changing a digit.

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, 9195 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (7470252).

Almost surely, 254718213 is an apocalyptic number.

It is an amenable number.

54718213 is a deficient number, since it is larger than the sum of its proper divisors (5043803).

54718213 is a wasteful number, since it uses less digits than its factorization.

54718213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795.

The product of its digits is 6720, while the sum is 31.

The square root of 54718213 is about 7397.1760152101. The cubic root of 54718213 is about 379.6446655252.

Adding to 54718213 its reverse (31281745), we get a palindrome (85999958).

The spelling of 54718213 in words is "fifty-four million, seven hundred eighteen thousand, two hundred thirteen".

Divisors: 1 11 1051 4733 11561 52063 4974383 54718213