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9686745 = 325215261
BaseRepresentation
bin100100111100…
…111011011001
3200020010201100
4210330323121
54434433440
6543342013
7145223145
oct44747331
920203640
109686745
115516882
1232b1909
132012103
141402225
15cb5230
hex93ced9

9686745 has 12 divisors (see below), whose sum is σ = 16790436. Its totient is φ = 5166240.

The previous prime is 9686707. The next prime is 9686759. The reversal of 9686745 is 5476869.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 7033104 = 1629^2 + 2652^2 .

It is not a de Polignac number, because 9686745 - 29 = 9686233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 215261 = 9686745 / (9 + 6 + 8 + 6 + 7 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9686745.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107586 + ... + 107675.

It is an arithmetic number, because the mean of its divisors is an integer number (1399203).

Almost surely, 29686745 is an apocalyptic number.

It is an amenable number.

9686745 is a deficient number, since it is larger than the sum of its proper divisors (7103691).

9686745 is a wasteful number, since it uses less digits than its factorization.

9686745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215272 (or 215269 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 9686745 is about 3112.3536110153. The cubic root of 9686745 is about 213.1699364602.

The spelling of 9686745 in words is "nine million, six hundred eighty-six thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 215261 645783 1076305 1937349 3228915 9686745