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9712485 = 325215833
BaseRepresentation
bin100101000011…
…001101100101
3200021110000200
4211003031211
54441244420
6544101113
7145361166
oct45031545
920243020
109712485
115534152
123304799
132020a43
14140b76d
15cbcb90
hex943365

9712485 has 12 divisors (see below), whose sum is σ = 16835052. Its totient is φ = 5179968.

The previous prime is 9712459. The next prime is 9712489. The reversal of 9712485 is 5842179.

It can be written as a sum of positive squares in 2 ways, for example, as 5377761 + 4334724 = 2319^2 + 2082^2 .

It is not a de Polignac number, because 9712485 - 26 = 9712421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712489) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 107872 + ... + 107961.

It is an arithmetic number, because the mean of its divisors is an integer number (1402921).

Almost surely, 29712485 is an apocalyptic number.

It is an amenable number.

9712485 is a deficient number, since it is larger than the sum of its proper divisors (7122567).

9712485 is a wasteful number, since it uses less digits than its factorization.

9712485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215844 (or 215841 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 9712485 is about 3116.4860018938. The cubic root of 9712485 is about 213.3585839795.

The spelling of 9712485 in words is "nine million, seven hundred twelve thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 45 215833 647499 1079165 1942497 3237495 9712485