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54248305 = 510849661
BaseRepresentation
bin1100111011110…
…0001101110001
310210002002200111
43032330031301
5102341421210
65214421321
71226050216
oct316741561
9123062614
1054248305
1128692611
1216201841
13b314cb7
1472c1b0d
154b6888a
hex33bc371

54248305 has 4 divisors (see below), whose sum is σ = 65097972. Its totient is φ = 43398640.

The previous prime is 54248303. The next prime is 54248323. The reversal of 54248305 is 50384245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31169889 + 23078416 = 5583^2 + 4804^2 .

It is not a de Polignac number, because 54248305 - 21 = 54248303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54248303) 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, 5424826 + ... + 5424835.

It is an arithmetic number, because the mean of its divisors is an integer number (16274493).

Almost surely, 254248305 is an apocalyptic number.

It is an amenable number.

54248305 is a deficient number, since it is larger than the sum of its proper divisors (10849667).

54248305 is a wasteful number, since it uses less digits than its factorization.

54248305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849666.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 54248305 is about 7365.3448663318. The cubic root of 54248305 is about 378.5547712754.

The spelling of 54248305 in words is "fifty-four million, two hundred forty-eight thousand, three hundred five".

Divisors: 1 5 10849661 54248305