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33023201 = 163720173
BaseRepresentation
bin111110111111…
…0010011100001
32022010202022112
41331332103201
531423220301
63135445105
7550456361
oct175762341
968122275
1033023201
1117705902
12b086795
136ac3073
1445589a1
152d749bb
hex1f7e4e1

33023201 has 4 divisors (see below), whose sum is σ = 33045012. Its totient is φ = 33001392.

The previous prime is 33023191. The next prime is 33023213. The reversal of 33023201 is 10232033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 14326225 = 4324^2 + 3785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33023201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33023251) 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, 8450 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (8261253).

Almost surely, 233023201 is an apocalyptic number.

It is an amenable number.

33023201 is a deficient number, since it is larger than the sum of its proper divisors (21811).

33023201 is a wasteful number, since it uses less digits than its factorization.

33023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21810.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 33023201 is about 5746.5816795726. The cubic root of 33023201 is about 320.8285850912.

Adding to 33023201 its reverse (10232033), we get a palindrome (43255234).

The spelling of 33023201 in words is "thirty-three million, twenty-three thousand, two hundred one".

Divisors: 1 1637 20173 33023201