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33868 = 228467
BaseRepresentation
bin1000010001001100
31201110101
420101030
52040433
6420444
7200512
oct102114
951411
1033868
112349a
1217724
1312553
14c4b2
15a07d
hex844c

33868 has 6 divisors (see below), whose sum is σ = 59276. Its totient is φ = 16932.

The previous prime is 33863. The next prime is 33871. The reversal of 33868 is 86833.

It is a super-2 number, since 2×338682 = 2294082848, which contains 22 as substring.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (33863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230 + ... + 4237.

233868 is an apocalyptic number.

It is an amenable number.

33868 is a deficient number, since it is larger than the sum of its proper divisors (25408).

33868 is a wasteful number, since it uses less digits than its factorization.

33868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471 (or 8469 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 33868 is about 184.0326058067. The cubic root of 33868 is about 32.3541392523.

It can be divided in two parts, 338 and 68, that added together give a triangular number (406 = T28).

The spelling of 33868 in words is "thirty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 8467 16934 33868