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9988132 = 2271132429
BaseRepresentation
bin100110000110…
…100000100100
3200210110010211
4212012200210
510024110012
6554025204
7150616630
oct46064044
920713124
109988132
115702260
123418204
1320b934b
14147ddc0
15d246a7
hex986824

9988132 has 24 divisors (see below), whose sum is σ = 21792960. Its totient is φ = 3891360.

The previous prime is 9988127. The next prime is 9988157. The reversal of 9988132 is 2318899.

It is a super-3 number, since 3×99881323 (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15907 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (908040).

Almost surely, 29988132 is an apocalyptic number.

It is an amenable number.

9988132 is an abundant number, since it is smaller than the sum of its proper divisors (11804828).

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

9988132 is a wasteful number, since it uses less digits than its factorization.

9988132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32451 (or 32449 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 9988132 is about 3160.4006075180. The cubic root of 9988132 is about 215.3582058278.

The spelling of 9988132 in words is "nine million, nine hundred eighty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 32429 64858 129716 227003 356719 454006 713438 908012 1426876 2497033 4994066 9988132