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8988133 = 7111131033
BaseRepresentation
bin100010010010…
…010111100101
3121220122101211
4202102113211
54300110013
6520351421
7136253320
oct42222745
917818354
108988133
115089a10
123015571
131b2912b
14129d7b7
15bc823d
hex8925e5

8988133 has 16 divisors (see below), whose sum is σ = 11316096. Its totient is φ = 6935040.

The previous prime is 8988131. The next prime is 8988149. The reversal of 8988133 is 3318898.

It is not a de Polignac number, because 8988133 - 21 = 8988131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8988131) 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 15 ways as a sum of consecutive naturals, for example, 8185 + ... + 9217.

It is an arithmetic number, because the mean of its divisors is an integer number (707256).

Almost surely, 28988133 is an apocalyptic number.

It is an amenable number.

8988133 is a deficient number, since it is larger than the sum of its proper divisors (2327963).

8988133 is a wasteful number, since it uses less digits than its factorization.

8988133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its digits is 41472, while the sum is 40.

The square root of 8988133 is about 2998.0215142657. The cubic root of 8988133 is about 207.9169185574.

The spelling of 8988133 in words is "eight million, nine hundred eighty-eight thousand, one hundred thirty-three".

Divisors: 1 7 11 77 113 791 1033 1243 7231 8701 11363 79541 116729 817103 1284019 8988133