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9002740 = 225450137
BaseRepresentation
bin100010010101…
…111011110100
3121221101102211
4202111323310
54301041430
6520543204
7136344025
oct42257364
917841384
109002740
11509998a
123021b04
131b32986
1412a4c4c
15bcc72a
hex895ef4

9002740 has 12 divisors (see below), whose sum is σ = 18905796. Its totient is φ = 3601088.

The previous prime is 9002717. The next prime is 9002779. The reversal of 9002740 is 472009.

It can be written as a sum of positive squares in 2 ways, for example, as 1582564 + 7420176 = 1258^2 + 2724^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225049 + ... + 225088.

It is an arithmetic number, because the mean of its divisors is an integer number (1575483).

Almost surely, 29002740 is an apocalyptic number.

It is an amenable number.

9002740 is an abundant number, since it is smaller than the sum of its proper divisors (9903056).

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

9002740 is a wasteful number, since it uses less digits than its factorization.

9002740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450146 (or 450144 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 9002740 is about 3000.4566319145. The cubic root of 9002740 is about 208.0294891622.

Adding to 9002740 its reverse (472009), we get a palindrome (9474749).

The spelling of 9002740 in words is "nine million, two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 450137 900274 1800548 2250685 4501370 9002740