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9060805 = 513139397
BaseRepresentation
bin100010100100…
…000111000101
3122001100002101
4202210013011
54304421210
6522112101
7140005225
oct42440705
918040071
109060805
115129576
12304b631
131b53230
1412bc085
15bdea3a
hex8a41c5

9060805 has 8 divisors (see below), whose sum is σ = 11709432. Its totient is φ = 6691008.

The previous prime is 9060803. The next prime is 9060809. The reversal of 9060805 is 5080609.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 9054081 = 82^2 + 3009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9060805 - 21 = 9060803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9060803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69634 + ... + 69763.

It is an arithmetic number, because the mean of its divisors is an integer number (1463679).

Almost surely, 29060805 is an apocalyptic number.

It is an amenable number.

9060805 is a deficient number, since it is larger than the sum of its proper divisors (2648627).

9060805 is a wasteful number, since it uses less digits than its factorization.

9060805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139415.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 9060805 is about 3010.1171073565. The cubic root of 9060805 is about 208.4757738780.

The spelling of 9060805 in words is "nine million, sixty thousand, eight hundred five".

Divisors: 1 5 13 65 139397 696985 1812161 9060805