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9938885 = 5111571151
BaseRepresentation
bin100101111010…
…011111000101
3200200221120212
4211322133011
510021021020
6553005205
7150323225
oct45723705
920627525
109938885
115679260
1233b3805
13209cac8
14146a085
15d14cc5
hex97a7c5

9938885 has 16 divisors (see below), whose sum is σ = 13105152. Its totient is φ = 7176000.

The previous prime is 9938869. The next prime is 9938899. The reversal of 9938885 is 5888399.

It is not a de Polignac number, because 9938885 - 24 = 9938869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8060 + ... + 9210.

It is an arithmetic number, because the mean of its divisors is an integer number (819072).

Almost surely, 29938885 is an apocalyptic number.

It is an amenable number.

9938885 is a deficient number, since it is larger than the sum of its proper divisors (3166267).

9938885 is a wasteful number, since it uses less digits than its factorization.

9938885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 622080, while the sum is 50.

The square root of 9938885 is about 3152.5997208653. The cubic root of 9938885 is about 215.0036776007.

The spelling of 9938885 in words is "nine million, nine hundred thirty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 157 785 1151 1727 5755 8635 12661 63305 180707 903535 1987777 9938885