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987063538 = 22343499021
BaseRepresentation
bin111010110101010…
…110010011110010
32112210100000121211
4322311112103302
54010142013123
6241540110334
733313621156
oct7265262362
92483300554
10987063538
1146719849a
122366953aa
1312965ab86
1495141066
155b9c840d
hex3ad564f2

987063538 has 16 divisors (see below), whose sum is σ = 1580901696. Its totient is φ = 461094480.

The previous prime is 987063533. The next prime is 987063557. The reversal of 987063538 is 835360789.

It is a junction number, because it is equal to n+sod(n) for n = 987063491 and 987063500.

It is not an unprimeable number, because it can be changed into a prime (987063533) 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, 247533 + ... + 251488.

It is an arithmetic number, because the mean of its divisors is an integer number (98806356).

Almost surely, 2987063538 is an apocalyptic number.

987063538 is a deficient number, since it is larger than the sum of its proper divisors (593838158).

987063538 is a wasteful number, since it uses less digits than its factorization.

987063538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499089.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 987063538 is about 31417.5673469478. The cubic root of 987063538 is about 995.6691165258.

The spelling of 987063538 in words is "nine hundred eighty-seven million, sixty-three thousand, five hundred thirty-eight".

Divisors: 1 2 23 43 46 86 989 1978 499021 998042 11477483 21457903 22954966 42915806 493531769 987063538