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54345087 = 345312659
BaseRepresentation
bin1100111101001…
…1110101111111
310210021000110000
43033103311333
5102403020322
65220445343
71226632326
oct317236577
9123230400
1054345087
11287492a5
1216249853
13b34a074
1473090bd
154b873ac
hex33d3d7f

54345087 has 20 divisors (see below), whose sum is σ = 82720440. Its totient is φ = 35543664.

The previous prime is 54345037. The next prime is 54345089. The reversal of 54345087 is 78054345.

It is not a de Polignac number, because 54345087 - 211 = 54343039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54345089) 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 19 ways as a sum of consecutive naturals, for example, 2037 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (4136022).

Almost surely, 254345087 is an apocalyptic number.

54345087 is a deficient number, since it is larger than the sum of its proper divisors (28375353).

54345087 is a wasteful number, since it uses less digits than its factorization.

54345087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724 (or 12715 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 54345087 is about 7371.9120314882. The cubic root of 54345087 is about 378.7797584696.

The spelling of 54345087 in words is "fifty-four million, three hundred forty-five thousand, eighty-seven".

Divisors: 1 3 9 27 53 81 159 477 1431 4293 12659 37977 113931 341793 670927 1025379 2012781 6038343 18115029 54345087