Search a number
-
+
54018645 = 353601243
BaseRepresentation
bin1100111000010…
…0001001010101
310202122102122120
43032010021111
5102312044040
65205450153
71224102522
oct316041125
9122572576
1054018645
112854600a
1216110959
13b2645c5
147262149
154b207d0
hex3384255

54018645 has 8 divisors (see below), whose sum is σ = 86429856. Its totient is φ = 28809936.

The previous prime is 54018637. The next prime is 54018661. The reversal of 54018645 is 54681045.

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

It is not a de Polignac number, because 54018645 - 23 = 54018637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800607 + ... + 1800636.

It is an arithmetic number, because the mean of its divisors is an integer number (10803732).

Almost surely, 254018645 is an apocalyptic number.

It is an amenable number.

54018645 is a deficient number, since it is larger than the sum of its proper divisors (32411211).

54018645 is a wasteful number, since it uses less digits than its factorization.

54018645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601251.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 54018645 is about 7349.7377504235. The cubic root of 54018645 is about 378.0198122367.

The spelling of 54018645 in words is "fifty-four million, eighteen thousand, six hundred forty-five".

Divisors: 1 3 5 15 3601243 10803729 18006215 54018645