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33768445 = 513749297
BaseRepresentation
bin1000000011010…
…0001111111101
32100112121121011
42000310033331
532121042240
63203435221
7560012164
oct200641775
970477534
1033768445
1118074807
12b385b11
136cc4339
1446b03db
152e706ea
hex20343fd

33768445 has 8 divisors (see below), whose sum is σ = 40818744. Its totient is φ = 26817024.

The previous prime is 33768437. The next prime is 33768463. The reversal of 33768445 is 54486733.

33768445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93636 + 33674809 = 306^2 + 5803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33768445 - 23 = 33768437 is a prime.

It is a super-2 number, since 2×337684452 = 2280615755436050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33768398 and 33768407.

It is a congruent number.

It is an unprimeable number.

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, 23964 + ... + 25333.

It is an arithmetic number, because the mean of its divisors is an integer number (5102343).

Almost surely, 233768445 is an apocalyptic number.

It is an amenable number.

33768445 is a deficient number, since it is larger than the sum of its proper divisors (7050299).

33768445 is a wasteful number, since it uses less digits than its factorization.

33768445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49439.

The product of its digits is 241920, while the sum is 40.

The square root of 33768445 is about 5811.0622953123. The cubic root of 33768445 is about 323.2240647059.

The spelling of 33768445 in words is "thirty-three million, seven hundred sixty-eight thousand, four hundred forty-five".

Divisors: 1 5 137 685 49297 246485 6753689 33768445