Search a number
-
+
54170005 = 540926489
BaseRepresentation
bin1100111010100…
…1000110010101
310202221010021111
43032221012111
5102331420010
65213015021
71225303021
oct316510625
9122833244
1054170005
11286397aa
1216184471
13b2b8476
1472a1381
154b5058a
hex33a9195

54170005 has 8 divisors (see below), whose sum is σ = 65165400. Its totient is φ = 43228416.

The previous prime is 54169987. The next prime is 54170009. The reversal of 54170005 is 50007145.

54170005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9132484 + 45037521 = 3022^2 + 6711^2 .

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 54170005 - 27 = 54169877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54170009) 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, 11200 + ... + 15289.

It is an arithmetic number, because the mean of its divisors is an integer number (8145675).

Almost surely, 254170005 is an apocalyptic number.

It is an amenable number.

54170005 is a deficient number, since it is larger than the sum of its proper divisors (10995395).

54170005 is a wasteful number, since it uses less digits than its factorization.

54170005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26903.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 54170005 is about 7360.0275135355. The cubic root of 54170005 is about 378.3725529194.

The spelling of 54170005 in words is "fifty-four million, one hundred seventy thousand, five".

Divisors: 1 5 409 2045 26489 132445 10834001 54170005