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54512713 = 76171633
BaseRepresentation
bin1100111111110…
…0110001001001
310210120112101101
43033330301021
5102423401323
65224221401
71231231123
oct317746111
9123515341
1054512713
1128853232
121630a861
13b3a8458
147350213
154bbbdad
hex33fcc49

54512713 has 4 divisors (see below), whose sum is σ = 54585108. Its totient is φ = 54440320.

The previous prime is 54512701. The next prime is 54512719. The reversal of 54512713 is 31721545.

It is a happy number.

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 2715904 + 51796809 = 1648^2 + 7197^2 .

It is a cyclic number.

It is not a de Polignac number, because 54512713 - 25 = 54512681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54512719) 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, 35056 + ... + 36577.

It is an arithmetic number, because the mean of its divisors is an integer number (13646277).

Almost surely, 254512713 is an apocalyptic number.

It is an amenable number.

54512713 is a deficient number, since it is larger than the sum of its proper divisors (72395).

54512713 is an equidigital number, since it uses as much as digits as its factorization.

54512713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72394.

The product of its digits is 4200, while the sum is 28.

The square root of 54512713 is about 7383.2725129173. The cubic root of 54512713 is about 379.1688041635.

It can be divided in two parts, 54512 and 713, that added together give a square (55225 = 2352).

The spelling of 54512713 in words is "fifty-four million, five hundred twelve thousand, seven hundred thirteen".

Divisors: 1 761 71633 54512713