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533028 = 223431033
BaseRepresentation
bin10000010001000100100
31000002011210
42002020210
5114024103
615231420
74350006
oct2021044
91002153
10533028
11334521
12218570
13158802
14dc376
15a7e03
hex82224

533028 has 24 divisors (see below), whose sum is σ = 1273888. Its totient is φ = 173376.

The previous prime is 533011. The next prime is 533033. The reversal of 533028 is 820335.

533028 is a nontrivial binomial coefficient, being equal to C(1033, 2).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 532995 and 533013.

It is an unprimeable number.

533028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 1032.

2533028 is an apocalyptic number.

533028 is the 1032-nd triangular number.

It is an amenable number.

533028 is an abundant number, since it is smaller than the sum of its proper divisors (740860).

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

533028 is a wasteful number, since it uses less digits than its factorization.

533028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 533028 is about 730.0876659690. The cubic root of 533028 is about 81.0805478283.

It can be divided in two parts, 53 and 3028, that added together give a triangular number (3081 = T78).

The spelling of 533028 in words is "five hundred thirty-three thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 1033 2066 3099 4132 6198 12396 44419 88838 133257 177676 266514 533028