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326836 = 22101809
BaseRepresentation
bin1001111110010110100
3121121100001
41033302310
540424321
611001044
72530606
oct1176264
9547301
10326836
11203614
12139184
13b59c3
1487176
1566c91
hex4fcb4

326836 has 12 divisors (see below), whose sum is σ = 578340. Its totient is φ = 161600.

The previous prime is 326831. The next prime is 326863. The reversal of 326836 is 638623.

326836 is a nontrivial binomial coefficient, being equal to C(809, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 24336 = 550^2 + 156^2 .

It is a d-powerful number, because it can be written as 33 + 27 + 8 + 66 + 34 + 67 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326831) by changing a digit.

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, 1 + ... + 808.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2326836 is an apocalyptic number.

326836 is the 808-th triangular number.

326836 is the 270-th centered nonagonal number.

It is an amenable number.

326836 is a deficient number, since it is larger than the sum of its proper divisors (251504).

326836 is a wasteful number, since it uses less digits than its factorization.

326836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 326836 is about 571.6957232654. The cubic root of 326836 is about 68.8826683403.

It can be divided in two parts, 3 and 26836, that multiplied together give a palindrome (80508).

The spelling of 326836 in words is "three hundred twenty-six thousand, eight hundred thirty-six".

Divisors: 1 2 4 101 202 404 809 1618 3236 81709 163418 326836