Search a number
-
+
54142517 = 1113378619
BaseRepresentation
bin1100111010001…
…0011000110101
310202212201120102
43032202120311
5102330030032
65212243445
71225126622
oct316423065
9122781512
1054142517
1128620090
1216170585
13b2a8ac0
147295349
154b47362
hex33a2635

54142517 has 8 divisors (see below), whose sum is σ = 63608160. Its totient is φ = 45434160.

The previous prime is 54142453. The next prime is 54142519. The reversal of 54142517 is 71524145.

54142517 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 54142517 - 26 = 54142453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54142517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142519) 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, 189167 + ... + 189452.

It is an arithmetic number, because the mean of its divisors is an integer number (7951020).

Almost surely, 254142517 is an apocalyptic number.

It is an amenable number.

54142517 is a deficient number, since it is larger than the sum of its proper divisors (9465643).

54142517 is a wasteful number, since it uses less digits than its factorization.

54142517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378643.

The product of its digits is 5600, while the sum is 29.

The square root of 54142517 is about 7358.1598922557. The cubic root of 54142517 is about 378.3085416984.

The spelling of 54142517 in words is "fifty-four million, one hundred forty-two thousand, five hundred seventeen".

Divisors: 1 11 13 143 378619 4164809 4922047 54142517