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323816 = 23172381
BaseRepresentation
bin1001111000011101000
3121110012012
41033003220
540330231
610535052
72516033
oct1170350
9543165
10323816
11201319
12137488
13b450c
148601a
1565e2b
hex4f0e8

323816 has 16 divisors (see below), whose sum is σ = 643140. Its totient is φ = 152320.

The previous prime is 323803. The next prime is 323819. The reversal of 323816 is 618323.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 16900 = 554^2 + 130^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 323791 and 323800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323819) 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, 1055 + ... + 1326.

2323816 is an apocalyptic number.

It is an amenable number.

323816 is a deficient number, since it is larger than the sum of its proper divisors (319324).

323816 is a wasteful number, since it uses less digits than its factorization.

323816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404 (or 2400 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 323816 is about 569.0483283518. The cubic root of 323816 is about 68.6698503986.

The spelling of 323816 in words is "three hundred twenty-three thousand, eight hundred sixteen".

Divisors: 1 2 4 8 17 34 68 136 2381 4762 9524 19048 40477 80954 161908 323816