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9975227 = 12977691
BaseRepresentation
bin100110000011…
…010110111011
3200202210102212
4212003112323
510023201402
6553445335
7150534203
oct46032673
920683385
109975227
1156a3599
12341084b
1320b3502
141479403
15d20952
hex9835bb

9975227 has 4 divisors (see below), whose sum is σ = 9984216. Its totient is φ = 9966240.

The previous prime is 9975223. The next prime is 9975253. The reversal of 9975227 is 7225799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9975227 - 22 = 9975223 is a prime.

It is a d-powerful number, because it can be written as 9 + 92 + 73 + 56 + 26 + 222 + 78 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9975223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (2496054).

Almost surely, 29975227 is an apocalyptic number.

9975227 is a deficient number, since it is larger than the sum of its proper divisors (8989).

9975227 is a wasteful number, since it uses less digits than its factorization.

9975227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988.

The product of its digits is 79380, while the sum is 41.

The square root of 9975227 is about 3158.3582760669. The cubic root of 9975227 is about 215.2654158565.

The spelling of 9975227 in words is "nine million, nine hundred seventy-five thousand, two hundred twenty-seven".

Divisors: 1 1297 7691 9975227