Search a number
-
+
9285140 = 225464257
BaseRepresentation
bin100011011010…
…111000010100
3122110201211002
4203122320110
54334111030
6531002432
7141631244
oct43327024
918421732
109285140
115272077
123139418
131c01387
141339b24
15c36245
hex8dae14

9285140 has 12 divisors (see below), whose sum is σ = 19498836. Its totient is φ = 3714048.

The previous prime is 9285049. The next prime is 9285161. The reversal of 9285140 is 415829.

It can be written as a sum of positive squares in 2 ways, for example, as 2669956 + 6615184 = 1634^2 + 2572^2 .

It is a congruent number.

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, 232109 + ... + 232148.

It is an arithmetic number, because the mean of its divisors is an integer number (1624903).

Almost surely, 29285140 is an apocalyptic number.

It is an amenable number.

9285140 is an abundant number, since it is smaller than the sum of its proper divisors (10213696).

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

9285140 is a wasteful number, since it uses less digits than its factorization.

9285140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464266 (or 464264 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 9285140 is about 3047.1527693898. The cubic root of 9285140 is about 210.1823057871.

The spelling of 9285140 in words is "nine million, two hundred eighty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 464257 928514 1857028 2321285 4642570 9285140