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33026028 = 22371920693
BaseRepresentation
bin111110111111…
…0111111101100
32022010220012020
41331332333230
531423313103
63135510140
7550500540
oct175767754
968126166
1033026028
1117707a42
12b088350
136ac4439
144559a20
152d75753
hex1f7efec

33026028 has 48 divisors (see below), whose sum is σ = 92709120. Its totient is φ = 8938944.

The previous prime is 33026027. The next prime is 33026039. The reversal of 33026028 is 82062033.

It is a junction number, because it is equal to n+sod(n) for n = 33025989 and 33026007.

It is not an unprimeable number, because it can be changed into a prime (33026027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8751 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (1931440).

Almost surely, 233026028 is an apocalyptic number.

33026028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

33026028 is an abundant number, since it is smaller than the sum of its proper divisors (59683092).

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

33026028 is a wasteful number, since it uses less digits than its factorization.

33026028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20726 (or 20724 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 33026028 is about 5746.8276466238. The cubic root of 33026028 is about 320.8377398319.

The spelling of 33026028 in words is "thirty-three million, twenty-six thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 20693 41386 62079 82772 124158 144851 248316 289702 393167 434553 579404 786334 869106 1179501 1572668 1738212 2359002 2752169 4718004 5504338 8256507 11008676 16513014 33026028