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54643430 = 2519287597
BaseRepresentation
bin1101000001110…
…0101011100110
310210211011200202
43100130223212
5102442042210
65231110502
71232314202
oct320345346
9123734622
1054643430
1128932466
1216372432
13b422aba
147385b02
154be59a5
hex341cae6

54643430 has 16 divisors (see below), whose sum is σ = 103535280. Its totient is φ = 20706912.

The previous prime is 54643429. The next prime is 54643439. The reversal of 54643430 is 3434645.

54643430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 54643393 and 54643402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54643439) 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 7 ways as a sum of consecutive naturals, for example, 143609 + ... + 143988.

It is an arithmetic number, because the mean of its divisors is an integer number (6470955).

Almost surely, 254643430 is an apocalyptic number.

54643430 is a deficient number, since it is larger than the sum of its proper divisors (48891850).

54643430 is a wasteful number, since it uses less digits than its factorization.

54643430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287623.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 54643430 is about 7392.1194524980. The cubic root of 54643430 is about 379.4716341023.

The spelling of 54643430 in words is "fifty-four million, six hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 287597 575194 1437985 2875970 5464343 10928686 27321715 54643430