Search a number
-
+
386681874 = 2364446979
BaseRepresentation
bin10111000011000…
…100110000010010
3222221121110210220
4113003010300102
51242442304444
6102211533510
712403512255
oct2703046022
9887543726
10386681874
111892a98a7
12a95ba296
136215a657
14394d909c
1523e32619
hex170c4c12

386681874 has 8 divisors (see below), whose sum is σ = 773363760. Its totient is φ = 128893956.

The previous prime is 386681837. The next prime is 386681891. The reversal of 386681874 is 478186683.

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

386681874 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32223484 + ... + 32223495.

It is an arithmetic number, because the mean of its divisors is an integer number (96670470).

Almost surely, 2386681874 is an apocalyptic number.

386681874 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.

386681874 is a wasteful number, since it uses less digits than its factorization.

386681874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64446984.

The product of its digits is 1548288, while the sum is 51.

The square root of 386681874 is about 19664.2282838661. The cubic root of 386681874 is about 728.5364271316.

The spelling of 386681874 in words is "three hundred eighty-six million, six hundred eighty-one thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 64446979 128893958 193340937 386681874