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805055533 = 16331115881
BaseRepresentation
bin101111111111000…
…010110000101101
32002002212001120121
4233333002300231
53122043234113
6211515044541
725643600452
oct5777026055
92062761517
10805055533
11383484157
121a5740751
13caa33029
1478cc3829
154aa24e8d
hex2ffc2c2d

805055533 has 8 divisors (see below), whose sum is σ = 812650176. Its totient is φ = 797493600.

The previous prime is 805055513. The next prime is 805055539. The reversal of 805055533 is 335550508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 805055533 - 25 = 805055501 is a prime.

It is a super-2 number, since 2×8050555332 = 1296228822427828178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805055539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42753 + ... + 58633.

It is an arithmetic number, because the mean of its divisors is an integer number (101581272).

Almost surely, 2805055533 is an apocalyptic number.

It is an amenable number.

805055533 is a deficient number, since it is larger than the sum of its proper divisors (7594643).

805055533 is a wasteful number, since it uses less digits than its factorization.

805055533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16355.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 805055533 is about 28373.5005418789. The cubic root of 805055533 is about 930.2691374290.

The spelling of 805055533 in words is "eight hundred five million, fifty-five thousand, five hundred thirty-three".

Divisors: 1 163 311 15881 50693 2588603 4938991 805055533