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8972669 is a prime number
BaseRepresentation
bin100010001110…
…100101111101
3121212212012002
4202032211331
54244111134
6520152045
7136160246
oct42164575
917785162
108972669
115079332
123008625
131b22094
141297ccd
15bc387e
hex88e97d

8972669 has 2 divisors, whose sum is σ = 8972670. Its totient is φ = 8972668.

The previous prime is 8972657. The next prime is 8972701. The reversal of 8972669 is 9662798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 2280100 = 2587^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 8972669 - 212 = 8968573 is a prime.

It is a super-2 number, since 2×89726692 = 161017577967122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8972069) 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 as a sum of consecutive naturals, namely, 4486334 + 4486335.

It is an arithmetic number, because the mean of its divisors is an integer number (4486335).

Almost surely, 28972669 is an apocalyptic number.

It is an amenable number.

8972669 is a deficient number, since it is larger than the sum of its proper divisors (1).

8972669 is an equidigital number, since it uses as much as digits as its factorization.

8972669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 8972669 is about 2995.4413698151. The cubic root of 8972669 is about 207.7976103942.

The spelling of 8972669 in words is "eight million, nine hundred seventy-two thousand, six hundred sixty-nine".