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8990335403 = 717235912379
BaseRepresentation
bin10000101111101110…
…11010000110101011
3212012112220100200022
420113313122012223
5121403011213103
64044034031055
7435534406250
oct102767320653
925175810608
108990335403
1138a38a0065
1218aaa1848b
13b037782ba
1461401b427
1537941d138
hex217dda1ab

8990335403 has 24 divisors (see below), whose sum is σ = 10945900800. Its totient is φ = 7231920768.

The previous prime is 8990335399. The next prime is 8990335421. The reversal of 8990335403 is 3045330998.

It is not a de Polignac number, because 8990335403 - 22 = 8990335399 is a prime.

It is a super-2 number, since 2×89903354032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8990335103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720068 + ... + 732446.

It is an arithmetic number, because the mean of its divisors is an integer number (456079200).

Almost surely, 28990335403 is an apocalyptic number.

8990335403 is a deficient number, since it is larger than the sum of its proper divisors (1955565397).

8990335403 is a wasteful number, since it uses less digits than its factorization.

8990335403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779 (or 12762 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 8990335403 is about 94817.3792244861. The cubic root of 8990335403 is about 2079.3389944570.

The spelling of 8990335403 in words is "eight billion, nine hundred ninety million, three hundred thirty-five thousand, four hundred three".

Divisors: 1 7 17 119 289 359 2023 2513 6103 12379 42721 86653 103751 210443 726257 1473101 3577531 4444061 25042717 31108427 75549037 528843259 1284333629 8990335403