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805057052 = 22296940147
BaseRepresentation
bin101111111111000…
…011001000011100
32002002212010122212
4233333003020130
53122043311202
6211515055552
725643605052
oct5777031034
92062763585
10805057052
11383485308
121a57415b8
13caa33927
1478cc41d2
154aa25652
hex2ffc321c

805057052 has 12 divisors (see below), whose sum is σ = 1457431080. Its totient is φ = 388648176.

The previous prime is 805057039. The next prime is 805057061. The reversal of 805057052 is 250750508.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 3469958 + ... + 3470189.

It is an arithmetic number, because the mean of its divisors is an integer number (121452590).

Almost surely, 2805057052 is an apocalyptic number.

It is an amenable number.

805057052 is a deficient number, since it is larger than the sum of its proper divisors (652374028).

805057052 is a wasteful number, since it uses less digits than its factorization.

805057052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940180 (or 6940178 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 805057052 is about 28373.5273098006. The cubic root of 805057052 is about 930.2697225141.

The spelling of 805057052 in words is "eight hundred five million, fifty-seven thousand, fifty-two".

Divisors: 1 2 4 29 58 116 6940147 13880294 27760588 201264263 402528526 805057052