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8232989 is a prime number
BaseRepresentation
bin11111011010000000011101
3120111021112112
4133122000131
54101423424
6452243405
7126656612
oct37320035
916437475
108232989
114713626
122910565
1319234bb
141144509
15ac960e
hex7da01d

8232989 has 2 divisors, whose sum is σ = 8232990. Its totient is φ = 8232988.

The previous prime is 8232979. The next prime is 8233003. The reversal of 8232989 is 9892328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 156025 = 2842^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 8232989 - 28 = 8232733 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8232929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116494 + 4116495.

It is an arithmetic number, because the mean of its divisors is an integer number (4116495).

Almost surely, 28232989 is an apocalyptic number.

It is an amenable number.

8232989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8232989 is an equidigital number, since it uses as much as digits as its factorization.

8232989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 8232989 is about 2869.3185602160. The cubic root of 8232989 is about 201.9230256010.

The spelling of 8232989 in words is "eight million, two hundred thirty-two thousand, nine hundred eighty-nine".