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6389112 = 2334143151
BaseRepresentation
bin11000010111110101111000
3110000121012210
4120113311320
53113422422
6344535120
7105210102
oct30276570
913017183
106389112
113674264
1221814a0
131429152
14bc4572
1586310c
hex617d78

6389112 has 64 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 2016000.

The previous prime is 6389087. The next prime is 6389113. The reversal of 6389112 is 2119836.

It is a self number, because there is not a number n which added to its sum of digits gives 6389112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389113) 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 15 ways as a sum of consecutive naturals, for example, 42237 + ... + 42387.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

Almost surely, 26389112 is an apocalyptic number.

6389112 is the 2064-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6389112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426880).

6389112 is an abundant number, since it is smaller than the sum of its proper divisors (10464648).

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

6389112 is a wasteful number, since it uses less digits than its factorization.

6389112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 240 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 6389112 is about 2527.6692821649. The cubic root of 6389112 is about 185.5582068750.

It can be divided in two parts, 63891 and 12, that added together give a triangular number (63903 = T357).

The spelling of 6389112 in words is "six million, three hundred eighty-nine thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 41 43 82 86 123 129 151 164 172 246 258 302 328 344 453 492 516 604 906 984 1032 1208 1763 1812 3526 3624 5289 6191 6493 7052 10578 12382 12986 14104 18573 19479 21156 24764 25972 37146 38958 42312 49528 51944 74292 77916 148584 155832 266213 532426 798639 1064852 1597278 2129704 3194556 6389112