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54430741 = 227239783
BaseRepresentation
bin1100111110100…
…0110000010101
310210102100221101
43033220300111
5102413240431
65222350101
71230440131
oct317506025
9123370841
1054430741
11287a7692
121628b331
13b37a051
14732c3c1
154ba2961
hex33e8c15

54430741 has 4 divisors (see below), whose sum is σ = 54670752. Its totient is φ = 54190732.

The previous prime is 54430723. The next prime is 54430757. The reversal of 54430741 is 14703445.

54430741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 14703445 = 52940689.

It is a cyclic number.

It is not a de Polignac number, because 54430741 - 27 = 54430613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54430711) 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 3 ways as a sum of consecutive naturals, for example, 119665 + ... + 120118.

It is an arithmetic number, because the mean of its divisors is an integer number (13667688).

Almost surely, 254430741 is an apocalyptic number.

It is an amenable number.

54430741 is a deficient number, since it is larger than the sum of its proper divisors (240011).

54430741 is a wasteful number, since it uses less digits than its factorization.

54430741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240010.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 54430741 is about 7377.7192275120. The cubic root of 54430741 is about 378.9786539171.

The spelling of 54430741 in words is "fifty-four million, four hundred thirty thousand, seven hundred forty-one".

Divisors: 1 227 239783 54430741