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8972969 is a prime number
BaseRepresentation
bin100010001110…
…101010101001
3121212212121012
4202032222221
54244113334
6520153305
7136161155
oct42165251
917785535
108972969
115079585
123008835
131b22265
141298065
15bc39ce
hex88eaa9

8972969 has 2 divisors, whose sum is σ = 8972970. Its totient is φ = 8972968.

The previous prime is 8972963. The next prime is 8972983. The reversal of 8972969 is 9692798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8779369 + 193600 = 2963^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 8972969 - 220 = 7924393 is a prime.

It is a super-2 number, since 2×89729692 = 161028345349922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8972963) 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 as a sum of consecutive naturals, namely, 4486484 + 4486485.

It is an arithmetic number, because the mean of its divisors is an integer number (4486485).

Almost surely, 28972969 is an apocalyptic number.

It is an amenable number.

8972969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8972969 is an equidigital number, since it uses as much as digits as its factorization.

8972969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 8972969 is about 2995.4914454894. The cubic root of 8972969 is about 207.7999262636.

It can be divided in two parts, 89729 and 69, that added together give a palindrome (89798).

The spelling of 8972969 in words is "eight million, nine hundred seventy-two thousand, nine hundred sixty-nine".