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33283028 = 229785781
BaseRepresentation
bin111111011110…
…1101111010100
32022121221201202
41332331233110
532010024103
63145212032
7552621032
oct176755724
968557652
1033283028
1117873039
12b191018
136b843cc
1445c5552
152dc6988
hex1fbdbd4

33283028 has 12 divisors (see below), whose sum is σ = 58846452. Its totient is φ = 16469760.

The previous prime is 33282979. The next prime is 33283031. The reversal of 33283028 is 82038233.

It can be written as a sum of positive squares in 2 ways, for example, as 23931664 + 9351364 = 4892^2 + 3058^2 .

It is a super-2 number, since 2×332830282 = 2215519905697568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42503 + ... + 43278.

It is an arithmetic number, because the mean of its divisors is an integer number (4903871).

Almost surely, 233283028 is an apocalyptic number.

It is an amenable number.

33283028 is a deficient number, since it is larger than the sum of its proper divisors (25563424).

33283028 is a wasteful number, since it uses less digits than its factorization.

33283028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85882 (or 85880 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 33283028 is about 5769.1444773034. The cubic root of 33283028 is about 321.6678158060.

The spelling of 33283028 in words is "thirty-three million, two hundred eighty-three thousand, twenty-eight".

Divisors: 1 2 4 97 194 388 85781 171562 343124 8320757 16641514 33283028