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54143041 = 208725943
BaseRepresentation
bin1100111010001…
…0100001000001
310202212202021211
43032202201001
5102330034131
65212250121
71225131301
oct316424101
9122782254
1054143041
1128620517
1216170941
13b2a9104
147295601
154b475b1
hex33a2841

54143041 has 4 divisors (see below), whose sum is σ = 54171072. Its totient is φ = 54115012.

The previous prime is 54143009. The next prime is 54143059. The reversal of 54143041 is 14034145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14034145 = 52806829.

It is a cyclic number.

It is not a de Polignac number, because 54143041 - 25 = 54143009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54143071) 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, 10885 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (13542768).

Almost surely, 254143041 is an apocalyptic number.

It is an amenable number.

54143041 is a deficient number, since it is larger than the sum of its proper divisors (28031).

54143041 is a wasteful number, since it uses less digits than its factorization.

54143041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28030.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 54143041 is about 7358.1954988978. The cubic root of 54143041 is about 378.3097621382.

Adding to 54143041 its reverse (14034145), we get a palindrome (68177186).

The spelling of 54143041 in words is "fifty-four million, one hundred forty-three thousand, forty-one".

Divisors: 1 2087 25943 54143041