Base | Representation |
---|---|
bin | 10111000100011… |
… | …111111001111101 |
3 | 222222022102221212 |
4 | 113010133321331 |
5 | 1243041231404 |
6 | 102223534205 |
7 | 12406625621 |
oct | 2704377175 |
9 | 888272855 |
10 | 387055229 |
11 | 189534360 |
12 | a975a365 |
13 | 6225b582 |
14 | 39595181 |
15 | 23ea806e |
hex | 1711fe7d |
387055229 has 4 divisors (see below), whose sum is σ = 422242080. Its totient is φ = 351868380.
The previous prime is 387055219. The next prime is 387055241. The reversal of 387055229 is 922550783.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 387055229 - 28 = 387054973 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 (387055219) 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 3 ways as a sum of consecutive naturals, for example, 17593409 + ... + 17593430.
It is an arithmetic number, because the mean of its divisors is an integer number (105560520).
Almost surely, 2387055229 is an apocalyptic number.
It is an amenable number.
387055229 is a deficient number, since it is larger than the sum of its proper divisors (35186851).
387055229 is a wasteful number, since it uses less digits than its factorization.
387055229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35186850.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 387055229 is about 19673.7192467515. The cubic root of 387055229 is about 728.7708275869.
It can be divided in two parts, 38705 and 5229, that added together give a palindrome (43934).
The spelling of 387055229 in words is "three hundred eighty-seven million, fifty-five thousand, two hundred twenty-nine".
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