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8989898 = 219722817
BaseRepresentation
bin100010010010…
…110011001010
3121220201211012
4202102303022
54300134043
6520403522
7136261421
oct42226312
917821735
108989898
115090275
1230165a2
131b29b88
1412a02b8
15bc8a18
hex892cca

8989898 has 8 divisors (see below), whose sum is σ = 13553892. Its totient is φ = 4471936.

The previous prime is 8989873. The next prime is 8989919.

8989898 is nontrivially palindromic in base 10.

8989898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 5368489 + 3621409 = 2317^2 + 1903^2 .

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

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

8989898 is an undulating number in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11015 + ... + 11802.

Almost surely, 28989898 is an apocalyptic number.

8989898 is a deficient number, since it is larger than the sum of its proper divisors (4563994).

8989898 is a wasteful number, since it uses less digits than its factorization.

8989898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016.

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

The square root of 8989898 is about 2998.3158606124. The cubic root of 8989898 is about 207.9305272175.

The spelling of 8989898 in words is "eight million, nine hundred eighty-nine thousand, eight hundred ninety-eight".

Divisors: 1 2 197 394 22817 45634 4494949 8989898