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54403685 = 571554391
BaseRepresentation
bin1100111110001…
…0001001100101
310210100222211022
43033202021211
5102411404220
65222020525
71230265220
oct317421145
9123328738
1054403685
1128789326
1216277745
13b36a93b
1473225b7
154b99925
hex33e2265

54403685 has 8 divisors (see below), whose sum is σ = 74610816. Its totient is φ = 37305360.

The previous prime is 54403663. The next prime is 54403691. The reversal of 54403685 is 58630445.

54403685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54403685 - 212 = 54399589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1554391 = 54403685 / (5 + 4 + 4 + 0 + 3 + 6 + 8 + 5).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 777161 + ... + 777230.

It is an arithmetic number, because the mean of its divisors is an integer number (9326352).

Almost surely, 254403685 is an apocalyptic number.

It is an amenable number.

54403685 is a deficient number, since it is larger than the sum of its proper divisors (20207131).

54403685 is a wasteful number, since it uses less digits than its factorization.

54403685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554403.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 54403685 is about 7375.8853705843. The cubic root of 54403685 is about 378.9158502779.

The spelling of 54403685 in words is "fifty-four million, four hundred three thousand, six hundred eighty-five".

Divisors: 1 5 7 35 1554391 7771955 10880737 54403685