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805053027 = 31517692311
BaseRepresentation
bin101111111111000…
…010001001100011
32002002211221010210
4233333002021203
53122043144102
6211515025203
725643560242
oct5777021143
92062757123
10805053027
11383482289
121a573b203
13caa31b4c
1478cc2959
154aa2436c
hex2ffc2263

805053027 has 16 divisors (see below), whose sum is σ = 1082385920. Its totient is φ = 532224000.

The previous prime is 805053017. The next prime is 805053091. The reversal of 805053027 is 720350508.

It is a happy number.

It is not a de Polignac number, because 805053027 - 211 = 805050979 is a prime.

It is a super-2 number, since 2×8050530272 = 1296220752563725458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805052985 and 805053003.

It is not an unprimeable number, because it can be changed into a prime (805053017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 347202 + ... + 349512.

It is an arithmetic number, because the mean of its divisors is an integer number (67649120).

Almost surely, 2805053027 is an apocalyptic number.

805053027 is a deficient number, since it is larger than the sum of its proper divisors (277332893).

805053027 is a wasteful number, since it uses less digits than its factorization.

805053027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 805053027 is about 28373.4563809205. The cubic root of 805053027 is about 930.2681721718.

The spelling of 805053027 in words is "eight hundred five million, fifty-three thousand, twenty-seven".

Divisors: 1 3 151 453 769 2307 2311 6933 116119 348357 348961 1046883 1777159 5331477 268351009 805053027