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33120238 = 238942571
BaseRepresentation
bin111111001010…
…1111111101110
32022022200102111
41332111333232
531434321423
63141514234
7551342314
oct176257756
968280374
1033120238
11177717a8
12b11297a
136b28298
1445820b4
152d9360d
hex1f95fee

33120238 has 8 divisors (see below), whose sum is σ = 49809240. Its totient is φ = 16517160.

The previous prime is 33120229. The next prime is 33120239. The reversal of 33120238 is 83202133.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20508 + ... + 22063.

It is an arithmetic number, because the mean of its divisors is an integer number (6226155).

Almost surely, 233120238 is an apocalyptic number.

33120238 is a deficient number, since it is larger than the sum of its proper divisors (16689002).

33120238 is a wasteful number, since it uses less digits than its factorization.

33120238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42962.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 33120238 is about 5755.0185056175. The cubic root of 33120238 is about 321.1425239649.

The spelling of 33120238 in words is "thirty-three million, one hundred twenty thousand, two hundred thirty-eight".

Divisors: 1 2 389 778 42571 85142 16560119 33120238