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9898988 = 2211224977
BaseRepresentation
bin100101110000…
…101111101100
3200121220212012
4211300233230
510013231423
6552100352
7150066011
oct45605754
920556765
109898988
115651290
1233946b8
1320878b8
141459708
15d08078
hex970bec

9898988 has 12 divisors (see below), whose sum is σ = 18898152. Its totient is φ = 4499520.

The previous prime is 9898979. The next prime is 9899003. The reversal of 9898988 is 8898989.

Subtracting from 9898988 its reverse (8898989), we obtain a palindrome (999999).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112445 + ... + 112532.

It is an arithmetic number, because the mean of its divisors is an integer number (1574846).

Almost surely, 29898988 is an apocalyptic number.

It is an amenable number.

9898988 is a deficient number, since it is larger than the sum of its proper divisors (8999164).

9898988 is a wasteful number, since it uses less digits than its factorization.

9898988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224992 (or 224990 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 59.

The square root of 9898988 is about 3146.2657230437. The cubic root of 9898988 is about 214.7156001680.

The spelling of 9898988 in words is "nine million, eight hundred ninety-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 224977 449954 899908 2474747 4949494 9898988