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33028085 = 5431491031
BaseRepresentation
bin111110111111…
…1011111110101
32022011000000102
41331333133311
531423344320
63135523445
7550506536
oct175773765
968130012
1033028085
1117709542
12b089585
136ac535c
14455a68d
152d76175
hex1f7f7f5

33028085 has 16 divisors (see below), whose sum is σ = 40867200. Its totient is φ = 25609920.

The previous prime is 33028067. The next prime is 33028103. The reversal of 33028085 is 58082033.

It is an interprime number because it is at equal distance from previous prime (33028067) and next prime (33028103).

It is not a de Polignac number, because 33028085 - 28 = 33027829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31520 + ... + 32550.

It is an arithmetic number, because the mean of its divisors is an integer number (2554200).

Almost surely, 233028085 is an apocalyptic number.

It is an amenable number.

33028085 is a deficient number, since it is larger than the sum of its proper divisors (7839115).

33028085 is a wasteful number, since it uses less digits than its factorization.

33028085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 33028085 is about 5747.0066121417. The cubic root of 33028085 is about 320.8444007351.

The spelling of 33028085 in words is "thirty-three million, twenty-eight thousand, eighty-five".

Divisors: 1 5 43 149 215 745 1031 5155 6407 32035 44333 153619 221665 768095 6605617 33028085