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54163243 = 192850697
BaseRepresentation
bin1100111010011…
…1011100101011
310202220210000001
43032213130223
5102331210433
65212523431
71225244221
oct316473453
9122823001
1054163243
1128634712
1216180577
13b2b5374
14729cb11
154b4d57d
hex33a772b

54163243 has 4 divisors (see below), whose sum is σ = 57013960. Its totient is φ = 51312528.

The previous prime is 54163211. The next prime is 54163253. The reversal of 54163243 is 34236145.

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

It is a cyclic number.

It is not a de Polignac number, because 54163243 - 25 = 54163211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54163253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425330 + ... + 1425367.

It is an arithmetic number, because the mean of its divisors is an integer number (14253490).

Almost surely, 254163243 is an apocalyptic number.

54163243 is a deficient number, since it is larger than the sum of its proper divisors (2850717).

54163243 is a wasteful number, since it uses less digits than its factorization.

54163243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850716.

The product of its digits is 8640, while the sum is 28.

The square root of 54163243 is about 7359.5681259161. The cubic root of 54163243 is about 378.3568082794.

Adding to 54163243 its reverse (34236145), we get a palindrome (88399388).

The spelling of 54163243 in words is "fifty-four million, one hundred sixty-three thousand, two hundred forty-three".

Divisors: 1 19 2850697 54163243