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1005929812 = 221294119433
BaseRepresentation
bin111011111101010…
…100010101010100
32121002211112021201
4323331110111110
54030004223222
6243452322244
733633155656
oct7375242524
92532745251
101005929812
11476903a58
12240a73384
13130535254
14978526d6
155d4a3427
hex3bf54554

1005929812 has 12 divisors (see below), whose sum is σ = 1760603796. Its totient is φ = 502900160.

The previous prime is 1005929803. The next prime is 1005929839. The reversal of 1005929812 is 2189295001.

It can be written as a sum of positive squares in 2 ways, for example, as 393070276 + 612859536 = 19826^2 + 24756^2 .

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, 42048 + ... + 61480.

It is an arithmetic number, because the mean of its divisors is an integer number (146716983).

Almost surely, 21005929812 is an apocalyptic number.

It is an amenable number.

1005929812 is a deficient number, since it is larger than the sum of its proper divisors (754673984).

1005929812 is a wasteful number, since it uses less digits than its factorization.

1005929812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32378 (or 32376 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1005929812 is about 31716.3965796873. The cubic root of 1005929812 is about 1001.9727098568.

The spelling of 1005929812 in words is "one billion, five million, nine hundred twenty-nine thousand, eight hundred twelve".

Divisors: 1 2 4 12941 19433 25882 38866 51764 77732 251482453 502964906 1005929812