Search a number
-
+
9120288 = 25395003
BaseRepresentation
bin100010110010…
…101000100000
3122011100200110
4202302220200
54313322123
6523251320
7140343522
oct42625040
918140613
109120288
11516a231
123079b40
131b74328
1412d5a12
15c02493
hex8b2a20

9120288 has 24 divisors (see below), whose sum is σ = 23941008. Its totient is φ = 3040064.

The previous prime is 9120283. The next prime is 9120301. The reversal of 9120288 is 8820219.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9120283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47406 + ... + 47597.

It is an arithmetic number, because the mean of its divisors is an integer number (997542).

Almost surely, 29120288 is an apocalyptic number.

It is an amenable number.

9120288 is an abundant number, since it is smaller than the sum of its proper divisors (14820720).

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

9120288 is a wasteful number, since it uses less digits than its factorization.

9120288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95016 (or 95008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 9120288 is about 3019.9814568967. The cubic root of 9120288 is about 208.9309845917.

The spelling of 9120288 in words is "nine million, one hundred twenty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 95003 190006 285009 380012 570018 760024 1140036 1520048 2280072 3040096 4560144 9120288