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533780828 = 22722385487
BaseRepresentation
bin11111110100001…
…101100101011100
31101012101212122022
4133310031211130
52043121441303
6124544435312
716141030220
oct3764154534
91335355568
10533780828
1125433a489
1212a918b38
1386781c59
1450c6a780
1531cdc438
hex1fd0d95c

533780828 has 24 divisors (see below), whose sum is σ = 1072361472. Its totient is φ = 227734704.

The previous prime is 533780809. The next prime is 533780881. The reversal of 533780828 is 828087335.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36500 + ... + 48987.

It is an arithmetic number, because the mean of its divisors is an integer number (44681728).

Almost surely, 2533780828 is an apocalyptic number.

It is an amenable number.

533780828 is an abundant number, since it is smaller than the sum of its proper divisors (538580644).

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

533780828 is a wasteful number, since it uses less digits than its factorization.

533780828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85721 (or 85719 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 533780828 is about 23103.6972798728. The cubic root of 533780828 is about 811.1870154163.

The spelling of 533780828 in words is "five hundred thirty-three million, seven hundred eighty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 223 446 892 1561 3122 6244 85487 170974 341948 598409 1196818 2393636 19063601 38127202 76254404 133445207 266890414 533780828