Search a number
-
+
8989906 = 217416449
BaseRepresentation
bin100010010010…
…110011010010
3121220201211111
4202102303102
54300134111
6520403534
7136261432
oct42226322
917821744
108989906
115090282
1230165aa
131b29b93
1412a02c2
15bc8a21
hex892cd2

8989906 has 16 divisors (see below), whose sum is σ = 14628600. Its totient is φ = 4126720.

The previous prime is 8989873. The next prime is 8989919. The reversal of 8989906 is 6099898.

It can be written as a sum of positive squares in 4 ways, for example, as 8555625 + 434281 = 2925^2 + 659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8989906.

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, 1831 + ... + 4618.

Almost surely, 28989906 is an apocalyptic number.

8989906 is a deficient number, since it is larger than the sum of its proper divisors (5638694).

8989906 is a wasteful number, since it uses less digits than its factorization.

8989906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 8989906 is about 2998.3171946944. The cubic root of 8989906 is about 207.9305888958.

The spelling of 8989906 in words is "eight million, nine hundred eighty-nine thousand, nine hundred six".

Divisors: 1 2 17 34 41 82 697 1394 6449 12898 109633 219266 264409 528818 4494953 8989906