Search a number
-
+
387046 = 21173241
BaseRepresentation
bin1011110011111100110
3201122221001
41132133212
544341141
612143514
73201262
oct1363746
9648831
10387046
11244880
12167b9a
1310722a
14a10a2
1579a31
hex5e7e6

387046 has 16 divisors (see below), whose sum is σ = 644688. Its totient is φ = 172800.

The previous prime is 387031. The next prime is 387047. The reversal of 387046 is 640783.

It is a super-2 number, since 2×3870462 = 299609212232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (40293).

2387046 is an apocalyptic number.

387046 is a deficient number, since it is larger than the sum of its proper divisors (257642).

387046 is a wasteful number, since it uses less digits than its factorization.

387046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 387046 is about 622.1302114509. The cubic root of 387046 is about 72.8765035236.

It can be divided in two parts, 3870 and 46, that added together give a triangular number (3916 = T88).

The spelling of 387046 in words is "three hundred eighty-seven thousand, forty-six".

Divisors: 1 2 11 22 73 146 241 482 803 1606 2651 5302 17593 35186 193523 387046