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33086228 = 2277316187
BaseRepresentation
bin111111000110…
…1101100010100
32022020221202212
41332031230110
531432224403
63141052552
7551141210
oct176155424
968227685
1033086228
111774919a
12b0b7158
136b15966
144573940
152d884d8
hex1f8db14

33086228 has 24 divisors (see below), whose sum is σ = 67083072. Its totient is φ = 13984704.

The previous prime is 33086191. The next prime is 33086243. The reversal of 33086228 is 82268033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33086194 and 33086203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6050 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (2795128).

Almost surely, 233086228 is an apocalyptic number.

It is an amenable number.

33086228 is an abundant number, since it is smaller than the sum of its proper divisors (33996844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33086228 is a wasteful number, since it uses less digits than its factorization.

33086228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271 (or 16269 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 33086228 is about 5752.0629342871. The cubic root of 33086228 is about 321.0325630213.

The spelling of 33086228 in words is "thirty-three million, eighty-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 16187 32374 64748 113309 226618 453236 1181651 2363302 4726604 8271557 16543114 33086228