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9013205 = 51802641
BaseRepresentation
bin100010011000…
…011111010101
3121221220210102
4202120133111
54301410310
6521103445
7136416365
oct42303725
917856712
109013205
1150a6833
123027b85
131b37676
1412a89a5
15bd08a5
hex8987d5

9013205 has 4 divisors (see below), whose sum is σ = 10815852. Its totient is φ = 7210560.

The previous prime is 9013129. The next prime is 9013223. The reversal of 9013205 is 5023109.

9013205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5769604 + 3243601 = 2402^2 + 1801^2 .

It is not a de Polignac number, because 9013205 - 210 = 9012181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901316 + ... + 901325.

It is an arithmetic number, because the mean of its divisors is an integer number (2703963).

Almost surely, 29013205 is an apocalyptic number.

It is an amenable number.

9013205 is a deficient number, since it is larger than the sum of its proper divisors (1802647).

9013205 is a wasteful number, since it uses less digits than its factorization.

9013205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802646.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 9013205 is about 3002.2000266471. The cubic root of 9013205 is about 208.1100640984.

The spelling of 9013205 in words is "nine million, thirteen thousand, two hundred five".

Divisors: 1 5 1802641 9013205