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54650947 = 134203919
BaseRepresentation
bin1101000001111…
…0100001000011
310210211120000011
43100132201003
5102442312242
65231205351
71232345131
oct320364103
9123746004
1054650947
112893807a
1216376857
13b426350
147388751
154be7d17
hex341e843

54650947 has 4 divisors (see below), whose sum is σ = 58854880. Its totient is φ = 50447016.

The previous prime is 54650941. The next prime is 54650951. The reversal of 54650947 is 74905645.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54650947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54650941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101947 + ... + 2101972.

It is an arithmetic number, because the mean of its divisors is an integer number (14713720).

Almost surely, 254650947 is an apocalyptic number.

54650947 is a deficient number, since it is larger than the sum of its proper divisors (4203933).

54650947 is a wasteful number, since it uses less digits than its factorization.

54650947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203932.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 54650947 is about 7392.6278818834. The cubic root of 54650947 is about 379.4890339219.

The spelling of 54650947 in words is "fifty-four million, six hundred fifty thousand, nine hundred forty-seven".

Divisors: 1 13 4203919 54650947