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839007044 = 221046320047
BaseRepresentation
bin110010000000100…
…011101101000100
32011110201222021222
4302000203231010
53204241211134
6215130455512
726535304451
oct6200435504
92143658258
10839007044
113a0663457
121b4b94598
13104a8c795
147d600828
154d9cea2e
hex32023b44

839007044 has 12 divisors (see below), whose sum is σ = 1468475904. Its totient is φ = 419442504.

The previous prime is 839007023. The next prime is 839007047. The reversal of 839007044 is 440700938.

It is a junction number, because it is equal to n+sod(n) for n = 839006995 and 839007013.

It is not an unprimeable number, because it can be changed into a prime (839007047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31829 + ... + 51875.

It is an arithmetic number, because the mean of its divisors is an integer number (122372992).

Almost surely, 2839007044 is an apocalyptic number.

It is an amenable number.

839007044 is a deficient number, since it is larger than the sum of its proper divisors (629468860).

839007044 is a wasteful number, since it uses less digits than its factorization.

839007044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30514 (or 30512 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 839007044 is about 28965.6183086086. The cubic root of 839007044 is about 943.1668667318.

The spelling of 839007044 in words is "eight hundred thirty-nine million, seven thousand, forty-four".

Divisors: 1 2 4 10463 20047 20926 40094 41852 80188 209751761 419503522 839007044