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9129485 = 51825897
BaseRepresentation
bin100010110100…
…111000001101
3122011211022002
4202310320031
54314120420
6523402045
7140412401
oct42647015
918154262
109129485
115176132
123083325
131b78581
1412d9101
15c05075
hex8b4e0d

9129485 has 4 divisors (see below), whose sum is σ = 10955388. Its totient is φ = 7303584.

The previous prime is 9129473. The next prime is 9129499. The reversal of 9129485 is 5849219.

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 4609609 + 4519876 = 2147^2 + 2126^2 .

It is a cyclic number.

It is not a de Polignac number, because 9129485 - 210 = 9128461 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912944 + ... + 912953.

It is an arithmetic number, because the mean of its divisors is an integer number (2738847).

Almost surely, 29129485 is an apocalyptic number.

It is an amenable number.

9129485 is a deficient number, since it is larger than the sum of its proper divisors (1825903).

9129485 is a wasteful number, since it uses less digits than its factorization.

9129485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825902.

The product of its digits is 25920, while the sum is 38.

The square root of 9129485 is about 3021.5037646841. The cubic root of 9129485 is about 209.0011904422.

The spelling of 9129485 in words is "nine million, one hundred twenty-nine thousand, four hundred eighty-five".

Divisors: 1 5 1825897 9129485