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989686796 = 22743821999
BaseRepresentation
bin111010111111010…
…110110000001100
32112222021022001112
4322333112300030
54011324434141
6242112231152
733345125150
oct7277266014
92488238045
10989686796
1146871a37a
1223753b4b8
1312a068bb7
1495625060
155bd457eb
hex3afd6c0c

989686796 has 24 divisors (see below), whose sum is σ = 2025408000. Its totient is φ = 414286992.

The previous prime is 989686793. The next prime is 989686813. The reversal of 989686796 is 697686989.

It is not an unprimeable number, because it can be changed into a prime (989686793) 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 7 ways as a sum of consecutive naturals, for example, 409796 + ... + 412203.

It is an arithmetic number, because the mean of its divisors is an integer number (84392000).

Almost surely, 2989686796 is an apocalyptic number.

It is an amenable number.

989686796 is an abundant number, since it is smaller than the sum of its proper divisors (1035721204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989686796 is a wasteful number, since it uses less digits than its factorization.

989686796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822053 (or 822051 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 68.

The square root of 989686796 is about 31459.2879131108. The cubic root of 989686796 is about 996.5503791326.

The spelling of 989686796 in words is "nine hundred eighty-nine million, six hundred eighty-six thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 821999 1643998 3287996 5753993 11507986 23015972 35345957 70691914 141383828 247421699 494843398 989686796