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8987898 = 231497983
BaseRepresentation
bin100010010010…
…010011111010
3121220122002010
4202102103322
54300103043
6520350350
7136252533
oct42222372
917818063
108987898
115089817
1230153b6
131b28caa
14129d68a
15bc8133
hex8924fa

8987898 has 8 divisors (see below), whose sum is σ = 17975808. Its totient is φ = 2995964.

The previous prime is 8987851. The next prime is 8987911.

8987898 is nontrivially palindromic in base 10.

8987898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

8987898 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 748986 + ... + 748997.

It is an arithmetic number, because the mean of its divisors is an integer number (2246976).

Almost surely, 28987898 is an apocalyptic number.

8987898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8987898 is a wasteful number, since it uses less digits than its factorization.

8987898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497988.

The product of its digits is 2322432, while the sum is 57.

The square root of 8987898 is about 2997.9823214956. The cubic root of 8987898 is about 207.9151065050.

The spelling of 8987898 in words is "eight million, nine hundred eighty-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 1497983 2995966 4493949 8987898