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387055 = 5199389
BaseRepresentation
bin1011110011111101111
3201122221101
41132133233
544341210
612143531
73201304
oct1363757
9648841
10387055
11244889
12167ba7
13107236
14a10ab
1579a3a
hex5e7ef

387055 has 8 divisors (see below), whose sum is σ = 468000. Its totient is φ = 307296.

The previous prime is 387047. The next prime is 387071. The reversal of 387055 is 550783.

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 387055 - 23 = 387047 is a prime.

387055 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (58500).

387055 is a Friedman number, since it can be written as 5^8-3570, using all its digits and the basic arithmetic operations.

2387055 is an apocalyptic number.

387055 is a deficient number, since it is larger than the sum of its proper divisors (80945).

387055 is a wasteful number, since it uses less digits than its factorization.

387055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 387055 is about 622.1374446214. The cubic root of 387055 is about 72.8770683862.

The spelling of 387055 in words is "three hundred eighty-seven thousand, fifty-five".

Divisors: 1 5 199 389 995 1945 77411 387055