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33020993 = 192337459
BaseRepresentation
bin111110111110…
…1110001000001
32022010122021202
41331331301001
531423132433
63135430545
7550450055
oct175756101
968118252
1033020993
1117704185
12b085455
136ac2065
144557c65
152d73ee8
hex1f7dc41

33020993 has 8 divisors (see below), whose sum is σ = 34912800. Its totient is φ = 31144608.

The previous prime is 33020963. The next prime is 33021019. The reversal of 33020993 is 39902033.

It is a happy number.

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 33020993 - 26 = 33020929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33020903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (4364100).

Almost surely, 233020993 is an apocalyptic number.

It is an amenable number.

33020993 is a deficient number, since it is larger than the sum of its proper divisors (1891807).

33020993 is a wasteful number, since it uses less digits than its factorization.

33020993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 33020993 is about 5746.3895621512. The cubic root of 33020993 is about 320.8214345093.

The spelling of 33020993 in words is "thirty-three million, twenty thousand, nine hundred ninety-three".

Divisors: 1 19 233 4427 7459 141721 1737947 33020993