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54520623 = 3253114299
BaseRepresentation
bin1100111111111…
…0101100101111
310210120221020100
43033332230233
5102424124443
65224322143
71231263153
oct317765457
9123527210
1054520623
1128859173
1216313353
13b3abc31
147353063
154bbe3d3
hex33feb2f

54520623 has 12 divisors (see below), whose sum is σ = 80238600. Its totient is φ = 35660976.

The previous prime is 54520619. The next prime is 54520643. The reversal of 54520623 is 32602545.

It is not a de Polignac number, because 54520623 - 22 = 54520619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54520643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56673 + ... + 57626.

It is an arithmetic number, because the mean of its divisors is an integer number (6686550).

Almost surely, 254520623 is an apocalyptic number.

54520623 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54520623 is a deficient number, since it is larger than the sum of its proper divisors (25717977).

54520623 is a wasteful number, since it uses less digits than its factorization.

54520623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114358 (or 114355 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 54520623 is about 7383.8081638136. The cubic root of 54520623 is about 379.1871428838.

The spelling of 54520623 in words is "fifty-four million, five hundred twenty thousand, six hundred twenty-three".

Divisors: 1 3 9 53 159 477 114299 342897 1028691 6057847 18173541 54520623