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55006847 = 743182747
BaseRepresentation
bin1101000111010…
…1011001111111
310211111122012122
43101311121333
5103040204342
65242553155
71235356550
oct321653177
9124448178
1055006847
1129060505
12165087bb
13b51c33c
14743c327
154c684d2
hex347567f

55006847 has 8 divisors (see below), whose sum is σ = 64327296. Its totient is φ = 46051992.

The previous prime is 55006817. The next prime is 55006891. The reversal of 55006847 is 74860055.

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

It is not a de Polignac number, because 55006847 - 212 = 55002751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55006807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91073 + ... + 91674.

It is an arithmetic number, because the mean of its divisors is an integer number (8040912).

Almost surely, 255006847 is an apocalyptic number.

55006847 is a deficient number, since it is larger than the sum of its proper divisors (9320449).

55006847 is a wasteful number, since it uses less digits than its factorization.

55006847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182797.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 55006847 is about 7416.6600973754. The cubic root of 55006847 is about 380.3110265216.

The spelling of 55006847 in words is "fifty-five million, six thousand, eight hundred forty-seven".

Divisors: 1 7 43 301 182747 1279229 7858121 55006847