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54124143 = 343419567
BaseRepresentation
bin1100111001110…
…1111001101111
310202211210100220
43032131321233
5102323433033
65212022423
71225022223
oct316357157
9122753326
1054124143
11286082a7
1216161a13
13b2a0628
14728c783
154b41bb3
hex339de6f

54124143 has 8 divisors (see below), whose sum is σ = 73843968. Its totient is φ = 35243544.

The previous prime is 54124123. The next prime is 54124151. The reversal of 54124143 is 34142145.

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

It is not a de Polignac number, because 54124143 - 25 = 54124111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54124123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209655 + ... + 209912.

It is an arithmetic number, because the mean of its divisors is an integer number (9230496).

Almost surely, 254124143 is an apocalyptic number.

54124143 is a deficient number, since it is larger than the sum of its proper divisors (19719825).

54124143 is a wasteful number, since it uses less digits than its factorization.

54124143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419613.

The product of its digits is 1920, while the sum is 24.

The square root of 54124143 is about 7356.9112404595. The cubic root of 54124143 is about 378.2657421391.

Adding to 54124143 its reverse (34142145), we get a palindrome (88266288).

The spelling of 54124143 in words is "fifty-four million, one hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 3 43 129 419567 1258701 18041381 54124143