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45385547 = 194994787
BaseRepresentation
bin1010110100100…
…0011101001011
310011101211021012
42231020131023
543104314142
64300434135
71060525244
oct255103513
9104354235
1045385547
1123689919
121324894b
139530c6c
146055ccb
153eb7882
hex2b4874b

45385547 has 8 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 42901704.

The previous prime is 45385531. The next prime is 45385553. The reversal of 45385547 is 74558354.

45385547 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 a cyclic number.

It is not a de Polignac number, because 45385547 - 24 = 45385531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45385507) 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, 7088 + ... + 11874.

It is an arithmetic number, because the mean of its divisors is an integer number (5985000).

Almost surely, 245385547 is an apocalyptic number.

45385547 is a deficient number, since it is larger than the sum of its proper divisors (2494453).

45385547 is a wasteful number, since it uses less digits than its factorization.

45385547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305.

The product of its digits is 336000, while the sum is 41.

The square root of 45385547 is about 6736.8796189334. The cubic root of 45385547 is about 356.7022575871.

The spelling of 45385547 in words is "forty-five million, three hundred eighty-five thousand, five hundred forty-seven".

Divisors: 1 19 499 4787 9481 90953 2388713 45385547