Search a number
-
+
387078 = 2364513
BaseRepresentation
bin1011110100000000110
3201122222020
41132200012
544341303
612144010
73201336
oct1364006
9648866
10387078
112448aa
12168006
13107253
14a10c6
1579a53
hex5e806

387078 has 8 divisors (see below), whose sum is σ = 774168. Its totient is φ = 129024.

The previous prime is 387077. The next prime is 387083. The reversal of 387078 is 870783.

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

387078 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32251 + ... + 32262.

It is an arithmetic number, because the mean of its divisors is an integer number (96771).

2387078 is an apocalyptic number.

387078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387078 is a wasteful number, since it uses less digits than its factorization.

387078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64518.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 387078 is about 622.1559290082. The cubic root of 387078 is about 72.8785118842.

The spelling of 387078 in words is "three hundred eighty-seven thousand, seventy-eight".

Divisors: 1 2 3 6 64513 129026 193539 387078