Search a number
-
+
9042485 = 51808497
BaseRepresentation
bin100010011111…
…101000110101
3122000101221212
4202133220311
54303324420
6521451205
7136600634
oct42375065
918011855
109042485
115116831
123040b05
131b47aaa
1412b551b
15bd93c5
hex89fa35

9042485 has 4 divisors (see below), whose sum is σ = 10850988. Its totient is φ = 7233984.

The previous prime is 9042443. The next prime is 9042491. The reversal of 9042485 is 5842409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4986289 + 4056196 = 2233^2 + 2014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9042485 is a prime.

It is a Duffinian 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, 904244 + ... + 904253.

It is an arithmetic number, because the mean of its divisors is an integer number (2712747).

Almost surely, 29042485 is an apocalyptic number.

It is an amenable number.

9042485 is a deficient number, since it is larger than the sum of its proper divisors (1808503).

9042485 is a wasteful number, since it uses less digits than its factorization.

9042485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808502.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 9042485 is about 3007.0724966319. The cubic root of 9042485 is about 208.3351736726.

It can be divided in two parts, 90424 and 85, that added together give a palindrome (90509).

The spelling of 9042485 in words is "nine million, forty-two thousand, four hundred eighty-five".

Divisors: 1 5 1808497 9042485