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9216125 = 53174337
BaseRepresentation
bin100011001010…
…000001111101
3122100020010222
4203022001331
54324404000
6525311125
7141223112
oct43120175
918306128
109216125
115225236
1231054a5
131ba8b39
14131c909
15c20a85
hex8ca07d

9216125 has 16 divisors (see below), whose sum is σ = 12181104. Its totient is φ = 6937600.

The previous prime is 9216107. The next prime is 9216133. The reversal of 9216125 is 5216129.

It can be written as a sum of positive squares in 8 ways, for example, as 4713241 + 4502884 = 2171^2 + 2122^2 .

It is not a de Polignac number, because 9216125 - 214 = 9199741 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9216094 and 9216103.

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 15 ways as a sum of consecutive naturals, for example, 44 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (761319).

Almost surely, 29216125 is an apocalyptic number.

It is an amenable number.

9216125 is a deficient number, since it is larger than the sum of its proper divisors (2964979).

9216125 is a wasteful number, since it uses less digits than its factorization.

9216125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4359 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 9216125 is about 3035.8071414370. The cubic root of 9216125 is about 209.6602594279.

The spelling of 9216125 in words is "nine million, two hundred sixteen thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 2125 4337 21685 73729 108425 368645 542125 1843225 9216125