Search a number
-
+
8669090 = 25866909
BaseRepresentation
bin100001000100…
…011110100010
3121022102202102
4201010132202
54204402330
6505450402
7133454213
oct41043642
917272672
108669090
114991241
122aa0a02
131a46b51
14121940a
15b63945
hex8447a2

8669090 has 8 divisors (see below), whose sum is σ = 15604380. Its totient is φ = 3467632.

The previous prime is 8669083. The next prime is 8669107. The reversal of 8669090 is 909668.

It can be written as a sum of positive squares in 2 ways, for example, as 8567329 + 101761 = 2927^2 + 319^2 .

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

It is an Ulam number.

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, 433445 + ... + 433464.

Almost surely, 28669090 is an apocalyptic number.

8669090 is a deficient number, since it is larger than the sum of its proper divisors (6935290).

8669090 is a wasteful number, since it uses less digits than its factorization.

8669090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866916.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 8669090 is about 2944.3318427107. The cubic root of 8669090 is about 205.4271482203.

The spelling of 8669090 in words is "eight million, six hundred sixty-nine thousand, ninety".

Divisors: 1 2 5 10 866909 1733818 4334545 8669090